@book{81,
	author = {Bogucki, Władysław and Kowal, Zbigniew and Wydawnictwo Arkady},
	title = {Budownictwo stalowe.},
	publisher = {"Arkady",},
	year = {1977.},
	address = {Warszwa :},
	edition = {Wydanie 4 znowelizowane. },
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=81}
}