@book { kerres_wirkungen,
	title = {Wirkungen und Wirksamkeit neuer Medien in der Bildung},
	series = {Education Quality Forum. Wirkungen und Wirksamkeit neuer Medien},
	year = {2003},
	publisher = {Waxmann},
	organization = {Waxmann},
	address = {M{\"u}nster},
	author = {Michael Kerres},
	editor = {Keil-Slawik, Reinhard and Michael Kerres}
}
