@book{15781,
	author = {Kaczmarek, Jan},
	title = {Mechaniczna obróbka materiałów.},
	year = {1974.},
	address = {Kraków,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=15781}
}