@inbook{a74ea0dd54c24620b0ead3889d9d3ca0,
title = "Acquiring knowledge in science and mathematics: the use of multiple representations in technology based learning environments",
keywords = "IR-27539, METIS-136190",
author = "{de Jong}, T. and S. Ainsworth and M. Dobson and {van der Hulst}, A. and J. Levonen and P. Reimann and J.A. Sime and {van Someren}, M. and H. Spada and J. Swaak",
year = "1998",
language = "English",
isbn = "9780080433431",
series = "Advances in learning and instruction series",
publisher = "Pergamon",
pages = "9--40",
editor = "{van Someren}, {Maarten W.} and Peter Reimann and Boshuizen, {Henny P.A.}",
booktitle = "Learning with multiple representations",
}