@book{4569,
	author = {SZEWCZYK, Karol},
	title = {Połączenia gwintowe /},
	publisher = {PWN,},
	year = {1991.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=4569}
}