@book{34913,
	author = {Fend, Helmut},
	title = {Vom Kind zum Jugendlichen},
	publisher = {Huber},
	year = {1990},
	series = {Entwicklungspsychologie der Adoleszenz in der Moderne},
	address = {Bern [u.a.]},
	edition = {1. Aufl.}
}