@inbook {877,
	title = {Der Begriff der Offenheit beim Offenen Experimentieren},
	booktitle = {Chemie- und Physikdidaktik f{\"u}r die Lehramtsausbildung},
	year = {2009},
	pages = {268-270},
	publisher = {LIT Verlag},
	organization = {LIT Verlag},
	address = {M{\"u}nster},
	author = {Peschel, Markus},
	editor = {H{\"o}ttecke, Dietmar}
}
