@book{50479,
	author = {ULSHÖFER, Robert.},
	title = {Arbeitsbuch deutsch Sekundarstufe II.},
	publisher = {Schroedel Verlag,},
	year = {1979.},
	address = {Hannover :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=50479}
}