@book{20945,
	author = {Knap, Irena and Służalec, Adolf},
	title = {Metaloznawstwo spawalnicze :},
	publisher = {PC,},
	year = {1982.},
	series = {Skrypt Uczelniany / Politechnika Częstochowska.},
	address = {Częstochowa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=20945}
}