@book{42912,
	author = {GURGUL, Eugeniusz and SEROKA, Oksana and Politechnika Częstochowska},
	title = {Gospodarka a ochrona środowiska z elementami ekologii /},
	publisher = {Wydaw. WZPC,},
	year = {2002.},
	address = {Częstochowa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=42912}
}