@book{20947,
	author = {UJMA, Joanna and MAZUREK, Alicja},
	title = {Chemia budowlana /},
	year = {1982.},
	address = {Częstochowa,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=20947}
}