Dr Nicholas A Alexander

Search results

• 2020

  System identification of human leg stiffness during rhythmic jumping on a perceptibly oscillating surface

  White, R. E., Alexander, N. A. & Macdonald, J. H. G., 23 Nov 2020, System identification of human leg stiffness during rhythmic jumping on a perceptibly oscillating surface. National Technical University of Athens, Greece: European Conferences on Structural Dynamics, Vol. 1. p. 1957-1923 11 p. (EURODYN 2020, Volume 1. Proceedings of the XI International Conference on Structural Dynamics; vol. 1, no. 1957-1923).

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  Open Access

  File

  • Stadiums 100%
  • Identification (control systems) 66%
  • Natural frequencies 63%
  • Stiffness 52%
  • Footbridges 50%
  10 Downloads (Pure)

• Time-Frequency Analysis of Crowd Lateral Dynamic Forcing from Full-Scale Measurements on the Clifton Suspension Bridge

  White, R. E., Alexander, N. A. & Macdonald, J. H. G., 23 Sep 2020, Time-Frequency Analysis of Crowd Lateral Dynamic Forcing from Full-Scale Measurements on the Clifton Suspension Bridge. Springer, Cham, Vol. 2. p. 125-133 9 p. (Dynamics of Civil Structures, Volume 2. Conference Proceedings of the Society for Experimental Mechanics Series; vol. 2).

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  Open Access

  File

  • resonant frequencies 100%
  • lateral oscillation 89%
  • vibration 74%
  • interactions 67%
  • hardening 52%
  14 Downloads (Pure)
• 2019

  Numerical Investigation of the Sliding Response of Flexible Structures Founded on a Deformable Granular Layer

  Tsiavos, A., Alexander, N. & Sextos, A., 25 Apr 2019, 2nd International Conference on Earthquake Engineering and Post Disaster Reconstruction Planning (ICEE-PDRP 2019) 25-27 April 2019, Bhaktapur, Nepal. International Conference on Earthquake Engineering and Post Disaster Reconstruction Planning (ICEE-PDRP), p. 116-125 10 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  Open Access

  File

  • sliding 100%
  • Nepal 53%
  • excitation 25%
  • isolation 25%
  • energy dissipation 21%
  63 Downloads (Pure)

• Performance comparison of lead rubber bearing and friction pendulum isolation systems on a school in Kathmandu

  Cross, T., Lombardi, L., De Luca, F., De Risi, R., Beardsley, J., de Podesta, M., Clark, R., Rushton, J., Alexander, N. A. & Sextos, A., 23 Jun 2019, ICONHIC2019 Proceedings. National Technical University of Athens, 11 p. ID. 244

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  Open Access

  File

  • rubber 100%
  • school 87%
  • friction 78%
  • ground motion 78%
  • seismic isolation 63%
  144 Downloads (Pure)
• 2018

  Discrete model for SSSI between critical structures under strong ground motion

  Vicencio, F. & Alexander, N., 22 Jun 2018, Proceedings of the 16th European Conference on Earthquake Engineering. European Association for Earthquake Engineering (EAEE), 11 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  Open Access

  File

  • soil-structure interaction 100%
  • ground motion 73%
  • mandate 21%
  • nuclear power plant 19%
  • soil profile 17%
  46 Downloads (Pure)

• Finite element model of buried pipelines crossing strike-slip faults by ABAQUS/EXPLICIT

  Demirci, H. E., Bhattacharya, S., Karamitros, D., Alexander, N. & Singh, R. M., 22 Jun 2018, Recent Advances in Earthquake Engineering in Europe: 16th European Conference on Earthquake Engineering-Thessaloniki 2018. Springer, Cham, (Geotechnical, Geological and Earthquake Engineering; vol. 46).

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  Open Access

  File

  • strike-slip fault 100%
  • faulting 23%
  • dynamic analysis 15%
  • energy balance 12%
  • landslide 11%
  284 Downloads (Pure)

• Numerical investigation for the nonlinear dynamic response of self-centring rocking frames

  Kibriya, LT., Malaga-Chuquitaype, C., Kashani, M. M. & Alexander, N., 22 Jun 2018, Proceedings of the 16th European Conference on Earthquake Engineering (16ECEE). European Association for Earthquake Engineering (EAEE), 11 p. 947

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  Open Access

  File

  • dynamic response 100%
  • seismic design 44%
  • modeling 36%
  • static response 28%
  • earthquake damage 22%
  79 Downloads (Pure)

• Seismic settlements of shallow foundations: a sliding block approach

  Karamitros, D., Nicolaidou, E. & Alexander, N., 22 Jun 2018, Recent Advances in Earthquake Engineering in Europe: Proceedings of the 16th European Conference on Earthquake Engineering (16ECEE). European Association for Earthquake Engineering (EAEE)

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  Open Access

  File

  • sliding 100%
  • bearing capacity 91%
  • footing 69%
  • seismic isolation 44%
  • earthquake event 36%
  104 Downloads (Pure)
• 2017

  Impact of material cyclic degradation on nonlinear dynamic response of RC bridge piers

  Kashani, M., Málaga-Chuquitaype, C., Yang, S., Alexander, N. & Crewe, A., 13 Jan 2017, 16th World Conference on Earthquake16th World Conference on Earthquake Engineering, 16WCEE 2017, Santiago, Chile Engineering, 16WCEE 2017. Kanpur, India: National Information Centre for Earthquake Engineering (NICEE), 10 p. 560

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  Open Access

  File

  • wharves 100%
  • dynamic response 67%
  • hinges 63%
  • buckling 54%
  • degradation 46%
  336 Downloads (Pure)
• 2016

  Damage propagation in corroded reinforcing bars with the effect of inelastic buckling under low-cycle fatigue loading

  Kashani, M., Crewe, A. & Alexander, N., 4 Oct 2016, Life-Cycle of Engineering Systems: Emphasis on Sustainable Civil Infrastructure: Proceedings of the Fifth International Symposium on Life-Cycle Civil Engineering (IALCCE 2016), 16-19 October 2016, Delft, The Netherlands. CRC Press, p. 1996-2002 7 p. (Life-Cycle of Civil Engineering Systems).

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  Open Access

  File

  • buckling 100%
  • fatigue life 70%
  • damage 65%
  • cycles 61%
  • propagation 54%
  216 Downloads (Pure)
• 2015

  A NOVEL APPROACH TO PRODUCING SPECTRUM COMPATIBLE GROUND MOTIONS USING VOLTERRA SERIES

  Alexander, N. A., Chanerley, AA., Crewe, A. J. & Bhattacharya, S., Jul 2015, SECED 2015 Conference - Earthquake Risk and Engineering towards a Resilient World.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  50 Downloads (Pure)

• Nonlinear behaviour of corroded RC columns under cyclic loading

  Kashani, M., Crewe, A., Alexander, N. & Lowes, L. N., May 2015, 7th International Conference on Seismology and Earthquake Engineering.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • corrosion 100%
  • reinforcement 39%
  • wharves 29%
  • fibers 20%
  • buckling 20%

• Nonlinear dynamic response of a multi-span integral bridge with corrosion damaged RC piers

  Ni Choine, M., Kashani, M. M., Lowes, L. N., Connor, A. O., Crewe, A. J., Alexander, N. A. & Padgett, J. E., 2015, Life-Cycle of Structural Systems: Design, Assessment, Maintenance and Management - Proceedings of the 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014. CRC Press, Vol. 1. p. 304-310 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • wharves 100%
  • dynamic response 67%
  • corrosion 56%
  • buckling 22%
  • reinforcement 22%
  1 Citation (Scopus)

• Reliably predicting the nonlinear cyclic response of RC bridge piers up to complete collapse

  Kashani, M., Crewe, A., Alexander, N. & Lowes, L. N., Jul 2015, SECED 2015 Conference - Earthquake Risk and Engineering towards a Resilient World.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • wharves 100%
  • reinforcement 49%
  • buckling 33%
  • stiffness 13%
  • degradation 11%

• THE DOUBLE-TIME INTEGRATION OF ACCELERATION TIME HISTORIES AFTER PROCESSING WITH THE WAVELET TRANSFORM AND LOW-FREQUENCY MAD DENOISING WITH RESULTS FROM THE NEPAL 2015 AND Chi-Chi 1999 EVENTS

  Chanerley, AA. & Alexander, N. A., Jul 2015, SECED 2015 Conference - Earthquake Risk and Engineering towards a Resilient World.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
• 2014

  A NEW SIMPLIFIED COLLAPSE LOAD EXPRESSION FOR EARTHQUAKE EXCITED STRUCTURES

  Mohamed Nazri, F. & Alexander, N. A., 2014, 2nd European Conference on Earthquake Engineering and Seismology.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Implementation of corrosion damage models in nonlinear fibre beam-column element

  Kashani, M. M., Lowes, L. N., Crewe, A. J. & Alexander, N. A., 2014, NCEE 2014 - 10th U.S. National Conference on Earthquake Engineering: Frontiers of Earthquake Engineering. Earthquake Engineering Research Institute

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • corrosion 100%
  • reinforcement 84%
  • damage 79%
  • fibers 62%
  • buckling 51%
  1 Citation (Scopus)

• Modelling nonlinear behaviour of corrosion damaged RC bridge piers subject to cyclic loading

  Kashani, M. M., Crewe, A. J., Alexander, N. A. & Lowes, L. N., 2014, Life-Cycle of Structural Systems: Design, Assessment, Maintenance and Management. CRC Press, Vol. 1. 283

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• SOME FLING RESULTS FOR KOECELI 1999

  Chanerley, A. A. & Alexander, N. A., Aug 2014, 2nd European Conference on Earthquake Engineering and Seismology.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
• 2013

  Experimental Investigation and Computational Modelling of Corrosion Induced Mechanical-Geometrical Degradation of Reinforcing Bars

  Kashani, M. M., Crewe, A. J., Alexander, N. A., Lowes, L. N. & Eberhard, M. O., 2013, Safety, Reliability, Risk and Life-Cycle Performance of Structures and Infrastructures. CRC Press, 7 p. 530

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • corrosion 100%
  • degradation 83%
  • pitting 38%
  • optical measurement 32%
  • buckling 17%
  1 Citation (Scopus)
• 2012

  A Neural Network Approach for Detection of Damage in a Vibrating Beam

  Dihoru, L., Alexander, N., Taylor, C. A., Grumbar, H., Newton, E. & Taylor, C., 2012, INTERNATIONAL CONFERENCE OF COMPUTATIONAL METHODS IN SCIENCES AND ENGINEERING 2009 (ICCMSE 2009). Simos, TE. & Maroulis, G. (eds.). MELVILLE: American Institute of Physics (AIP), p. 1200-1204 5 p. (AIP Conference Proceedings; vol. 1504).

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • Neural networks 100%
  • Defects 56%
  • White noise 45%
  • Inverse problems 44%
  • Computational methods 43%

• Discrete Model for Dynamic Structure-Soil-Structure InInteraction

  Aldaikh, H., Alexander, NA. & Ibraim, E., 2012, 15th World Conference of Earthquake Engineering,Lisbon.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Durability Considerations in Performance-Based Seismic Assessment of Deteriorated RC Bridges

  Kashani, M. M., Crewe, A. J. & Alexander, N. A., 2012, 15th World Conference of Earthquake Engineering,Lisbon. Paper No 591 ed. CD, 9 p. 591

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • Concrete bridges 100%
  • Reinforced concrete 74%
  • Durability 71%
  • Concretes 59%
  • Knowledge engineering 55%

• Numerical and experimental exploration of the fundamental nonlinear dynamics of self-centring damage resistant structures under seismic excitation

  Oddbjornsson, O., Alexander, N. A., Taylor, C. & Sigbjornsson, R., 2012, 15th world conference of Earthquake Engineering, Lisbon.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Predicting the Collapse Potential of Structures

  Mohamed Nazri, F. & Alexander, NA., 2012, 15th World Conference of Earthquake Engineering,Lisbon.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Recovering displacements and transients from digital strong motion records using the wavelet transform

  Chanerley, AA. & Alexander, NA., 2012, 15th World Conference of Earthquake Engineering,Lisbon.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Seismic Performance Evaluation of RC Bridge Piers Subject to Combined Earthquake Loading and Material Deterioration in Aggressive Environment

  Kashani, M. M., Crewe, A. J. & Alexander, N. A., 2012, Proceedings of the 9th fib International PhD Symposium in Civil Engineering. KIT Scientific Publishing, p. 201-207

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • wharves 100%
  • earthquakes 76%
  • deterioration 65%
  • corrosion 56%
  • evaluation 39%

• Stress-Strain Response of Corroded Reinforcing Bars under Monotonic and Cyclic Loading

  Kashani, M. M., Crewe, A. J. & Alexander, N. A., 2012, 15th World Conference of Earthquake Engineering,Lisbon. Paper No 590 ed. CD, 9 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • concrete structures 100%
  • buckling 75%
  • corrosion 62%
  • reinforcement 49%
  • earthquakes 28%
• 2011

  Exploration of structure-soil-structure interaction dynamics

  Alexander, NA., Ibraim, E. & Aldaikh, H., 6 Sep 2011, The Thirteenth International Conference on Civil, Structural and Environmental Engineering Computing.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  4 Citations (Scopus)

• The Canterbury Accelerograph Network (CanNet) and some Results from the September 2010, M7.1 Darfield Earthquake

  Berrill, J., Avery, H., Dewe M, B., Chanerley, AA., Alexander, NA., Dyer, C. & Holden, C., 2011, Proceedings of the Ninth Pacific Conference on Earthquake Engineering, Building an Earthquake-Resilient Society.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • earthquake 100%
  • ground motion 49%
  • plain 38%
  • city 28%
  • history 28%

• The dynamics of monopile-supported Wind Turbines in nonlinear soil

  Alexander, N. A. & Bhattacharya, S., 2011, Proceedings of the 8th International Conference on Structural Dynamics, EURODYN 2011. University of Southampton, Institute of Sound Vibration and Research, p. 3416-3422 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • wind turbine 100%
  • alternative energy 42%
  • pile 39%
  • soil 38%
  • bone 37%
  6 Citations (Scopus)
• 2010

  BASELINE CORRECTION MADE EASIER USING AN AUTOMATED METHOD

  Chanerley, AA., Alexander, NA., Halldorsson, B., Sigbjornsson, R. & Perryman, R., 2010, 9th US national and 10th Canadian conference on earthquake engineering: reaching beyond borders. Vol. Paper 358.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  3 Citations (Scopus)

• Estimates the Damage Indices for a Moment Resisting Steel Frame

  Mohamed Nazri, F. & Alexander, NA., 30 Aug 2010, 14th European Conference on Earthquake Engineering.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• NEAR-FAULT STRONG-MOTION ARRAY RECORDINGS OF THE Mw6.3 ÖLFUS

  Halldórsson, B., Sigbjörnsson, R., Chanerley, AA. & Alexander, NA., 2010, 9th US national and 10th Canadian conference on earthquake engineering: reaching beyond borders.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Near-fault strong-motion array recordings of the M _w6.3 Ölfus earthquake on 29 may 2008 in Iceland

  Halldórsson, B., Sigbjörnsson, R., Chanerley, A. A. & Alexander, N. A., 1 Dec 2010, 9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium. Vol. 9. p. 7536-7545 10 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • strong motion 100%
  • earthquake 56%
  • seismic zone 20%
  • ground motion 17%
  • wavelet 14%
  4 Citations (Scopus)
• 2009

  An approach to study dynamic stability of pile-supported structures in liquefiable soils

  Bhattacharya, S., Alexander, N. A. & Adhikari, S., Mar 2009, Proceedings of the 6th International Conference on Urban Earthquake Engineering.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• A NEURAL NETWORK APPROACH FOR DETECTION OF DAMAGE IN A VIBRATING BEAM

  Dihoru, L., Alexander, NA., Taylor, CA., Grumbar, H. & Newton, E., 2009, Advanced Computational Modelling Methods in Science and Engineering.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  • Neural networks 100%
  • Defects 56%
  • White noise 45%
  • Inverse problems 44%
  • Computational methods 43%

• On Fling and Baseline Correction using Quadrature Mirror Filters

  Chanerley, AA., Alexander, NA. & Halldorsson, B., 2009, 12th International Conference on Civil, Structural and Environmental Engineering Computing, Madeira, Portugal. Topping, P. BHV. (ed.). Vol. paper 177.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  9 Citations (Scopus)

• Recovering ground displacement and velocity time series using wavelet decomposition

  Chanerley, A., Alexander, N. A. & Halldórsson, B., 2009, ISSEE2009 International Symposium on Strong-motion Earthquake Effects.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
• 2008

  A Neural Network Approach for Dynamics Identification of Reinforced Masonry Structures

  Dihoru, L., Taylor, CA., Crewe, AJ. & Alexander, NA., Oct 2008, 14th World Conference on Earthquake Engineering.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Automated Baseline Correction, Fling and Displacement Estimates from the Chi-Chi Earthquake using the Wavelet Transform

  Chanerley, AA. & Alexander, NA., 2008, 9th International Conference on Computational Structures Technology Athens, Greece. Topping, B. H. V. & Papadrakakis, M. (eds.). Vol. Paper 197.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Shake table testing of nonlinear elastic moment resisting frames

  Oddbjornsson, O., Alexander, NA., Taylor, CA. & Sigbjornsson, R., 12 Oct 2008, 14th world conference on Earthquake Engineering, Beijing, China. Vol. Paper 11-0110.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
• 2007

  Computational analysis of precast concrete frames with post-tensioned tendons

  Oddbjornsson, O., Alexander, NA., Taylor, CA. & Sigbjornsson, R., 2007, The Eleventh International Conference on Civil, Structural and Environmental Engineering Computing, Malta.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  2 Citations (Scopus)

• Modelling Non-Linear Effects in Seismic Data from Estimates of Bispectra using Linear Prediction and Volterra Kernels

  Chanerley, AA., Nabijou, H., Alexander, NA. & Sigbjornsson, R., 2007, Proceedings of the Eleventh International Conference on Civil, Structural and Environmental Engineering Computing, B.H.V. Topping, (Editor), Civil-Comp Press, Stirlingshire, United Kingdom.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  1 Citation (Scopus)
• 2006

  A brief review of instrument de-convolution of seismic data

  Chanerley, AA. & Alexander, N. A., 2006, Proceedings of Advances in Computing and Technology. (AC&T) The School of Computing and Technology 1st Annual Conference. University of East London,.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Deconvolution of Seismic data using partial total least squares

  Chanerley, AA. & Alexander, NA., 2006, First European Conference on Earthquake Engineering and Seismology, Geneva, Switzerland, 3-8 Sept.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Effects of orientation to the epicentre on the response of long span bridges subject to multiple support excitation using SMART - 1 array data and corroborative experimental results

  Alexander, NA., Norman, JAP., Virden, DW., Crewe, AJ., Wagg, DJ. & Chanerley, AA., 2006, Proc 8th National Conference on Earthquake Engineering, San Francisco, USA. 10 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  5 Citations (Scopus)

• Lp deconvolution of seismic data using the iterative re-weighted least squares method. paper

  Chanerley, AA. & Alexander, NA., 2006, proceedings of the eighth international conference on computational structures technology, B.H.V. Topping, (Editor), Civil-Comp Press, Stirling, United Kingdom.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

• Revisiting the SMART-1 array using modern inverse system identification methods

  Chanerley, AA. & Alexander, NA., 2006, 8th US National Conference on earthquake engineering.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
• 2005

  Incoherent ground motion in multi-support dynamics of bridges

  Alexander, NA., 2005, The Tenth International Conference on Civil, Structural and Environmental Engineering Computing, Rome, Italy.

  Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

  2 Citations (Scopus)