@book{50751,
	author = {POLENZ, Peter.},
	title = {Geschichte der deutschen Sprache /},
	publisher = {Walter de Gruyter,},
	year = {1970.},
	series = {Sammlung Göschen},
	address = {Berlin :},
	edition = {7., völ. neu bearb.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=50751}
}