@inbook{e89a2104fd5d442280c5bba5f1f09f1e,
title = "Der L{\"a}ndervergleich in den naturwissenschaftlichen F{\"a}chern",
author = "Ulrich Schroeders and Martin Hecht and Patricia Heitmann and Malte Jansen and Nele Kampa and Nicola Klebba and Lenski, \{Anna Eva\} and Thilo Siegle",
year = "2013",
language = "Deutsch",
isbn = "978-3-8509-2990-1",
pages = "141--158",
editor = "Pant, \{Hans Anand\} and Petra Stanat and Ulrich Schroeders and Alexander Roppelt and Thilo Siegle and Claudia P{\"o}hlmann",
booktitle = "IQB-L{\"a}ndervergleich 2012",
publisher = "Waxmann Verlag",
}