@inbook{16fcf089666f4bc999fba3cda23c1052,
title = "Reaction to algorithmic and meaningful ways of joining together representatives within the same mathematical activity",
author = "RJ Sutherland",
year = "2001",
language = "English",
isbn = "9074684165",
pages = "108 -- 110",
editor = "Heuvel-Panhuizen and den, \{Marja van\}",
booktitle = "Proceedings of the 25th Conference of the International Group for the Psychology of Mathematics Education",
publisher = "Utrecht University, Faculty of Mathematics and Computer Science, Freudenthal Institute",
}