@book{14506,
	author = {SUPRUNENKO, D. A.},
	title = {Gruppy matric /},
	publisher = {"Nuka",},
	year = {1972.},
	address = {Moskwa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=14506}
}