@book{20155,
	author = {Bieda, Władysław and Laurecka, Hanna and Wydawnictwo "Śląsk"},
	title = {Masy, betony i prefabrykaty ogniotrwałe /},
	publisher = {"Śląsk"},
	year = {1981.},
	address = {Katowice :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=20155}
}