@book{29544,
	author = {PIWNIK, Jan},
	title = {Mechanika procesów wyciskania metali /},
	year = {1991.},
	address = {Białystok,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=29544}
}