@inproceedings{Küchemann05,
	title = {Pupils' Awareness of Structure on Two Number / Algebra Questions},
	address = {Spain},
	author = {Dietmar Küchemann and Celia Hoyles},
	booktitle = {The Fourth Conference of the European Society for Research in Mathematics Education (CERME 4)},
	url = {http://www.lettredelapreuve.it/Newsletter/05Automne/CERME4Kuecheman.pdf},
	year = {2005},
	biburl = {http://www.bibsonomy.org/bibtex/26d6a270f6cbbbfd455c5a0a80d44b51e/yish},
	priority = {2}, citeulike-article-id = {532444},
	keywords = {as_conv divisibility factorial ijtme2006 mythesis sequences }
}