@book{41496,
	author = {Sheely, Steve and Pfeifer, Andreas [Bearb.]},
	title = {Was Gruppenleiter wissen müssen},
	publisher = {Brunnen-Verl.},
	year = {1998},
	series = {Serendipity training},
	address = {Gießen},
	edition = {4. Aufl.}
}