@inbook {886,
	title = {Wer unterrichtet unsere Kinder? SUN {\textendash} Sachunterricht in Nordrhein-Westfalen},
	booktitle = {Qualit{\"a}t von Grundschulunterricht entwickeln, erfassen und bewerten},
	volume = {11, Jahrbuch Grundschulforschung},
	year = {2007},
	pages = {171-174},
	publisher = {Verlag f{\"u}r Sozialwissenschaften},
	organization = {Verlag f{\"u}r Sozialwissenschaften},
	address = {Bonn},
	author = {Peschel, Markus and Struzyna, Sarah},
	editor = {m{\"o}ller, Kornelia and Hanke, Petra and Beinbrech, Christina and Hein, Anna and Kleickmann, Thilo and Schages, Ruth}
}
