@inbook {879, title = {Unterrichtsbedingungen für physikalischen Sachunterricht (SUN)}, booktitle = {Chemie- und Physikdidaktik für die Lehramtsausbildung}, year = {2009}, pages = {428-430}, publisher = {LIT Verlag}, organization = {LIT Verlag}, address = {M{\"u}nster}, author = {Peschel, Markus and B{\"u}rger, Christiane}, editor = {H{\"o}ttecke, Dietmar} }