@book{1991,
	author = {KARCZEWSKI, B.},
	title = {Materiały budowlane /},
	year = {1982.},
	address = {Lublin,},
	edition = {Wyd.2.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=1991}
}