@inproceedings{cc046ef809bf415eb659b733b8eecbce,
title = "Technology to support diagrammatic reasoning about center and variation",
keywords = "Mathematics, Landbouwwetenschappen, Natuurwetenschappen, Wiskunde: algemeen",
author = "A. Bakker and J. Derry and C. Konold",
year = "2006",
language = "Undefined/Unknown",
editor = "A. Rossmann and B. Chance",
booktitle = "Proceedings of the Seventh International Conference on Teaching Statistics, Salvador Brasil",
publisher = "International Statistical Institute",
address = "Netherlands",
}