@inbook{9908c49964d943fb9c23a91146f65d4c,
title = "Geometry in Grades 1 and 2",
keywords = "Wiskunde en Informatica (WIIN), Mathematics, Landbouwwetenschappen, Natuurwetenschappen, Wiskunde: algemeen",
author = "{van den Heuvel-Panhuizen}, M.H.A.M. and {van den Brink}, F.J. and C. Janssen and J. Hochstenbach and J.J.M. Menne and {de Moor}, E.W.A. and J.M.C. Nelissen",
year = "2005",
language = "Undefined/Unknown",
isbn = "90-74684-25-4",
publisher = "Freudenthal Institute / SLO",
pages = "227--326",
editor = "{van den Heuvel-Panhuizen}, M. and K. Buys",
booktitle = "Young children learn measurement and geometry. A learning-teaching trajectory with intermediate attainment targets for the lower grades in primary school",
}