@book{49481,
	author = {Griesbach, Heinz. and Griesbach, Rosemarie.},
	title = {Deutsch für Fortgeschrittene.},
	publisher = {Max Hueber Verlag,},
	year = {1991.},
	address = {München :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=49481}
}