@inbook{1f9a65306cb84615b6aa1a55d080fe3b,
title = "Mathematische Kompetenz im L{\"a}ndervergleich",
keywords = "Erziehungswissenschaften",
author = "Andreas Frey and Regine Asseburg and Timo Ehmke and Werner Blum",
year = "2008",
language = "Deutsch",
isbn = "978-3-8309-2099-1",
pages = "127--147",
editor = "M. Prenzel and C. Artelt and J. Baumert and W. Blum and M. Hammann and E. Klieme and R. Pekrun",
booktitle = "PISA 2006 in Deutschland",
publisher = "Waxmann Verlag",
address = "Deutschland",
}