@inbook {873,
	title = {Alleine geht es gut, zusammen manchmal besser! {\textendash} Kooperationen im Sachunterricht beim Experimentieren},
	booktitle = {Sache {\textendash} Wort {\textendash} Zahl (SWZ)},
	volume = {Heft 101, 04/2009, 37 Jhg.},
	year = {2009},
	pages = {23-27},
	publisher = {Aulis Verlag},
	organization = {Aulis Verlag},
	address = {Hallbergmoos},
	author = {Peschel, Markus}
}
