@book{45517,
	author = {Lucas, Michael and Pętlicki, Marek and Helion},
	title = {FreeBSD :},
	publisher = {"Helion",},
	year = {cop. 2004.},
	series = {Open Source},
	address = {Gliwice :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=45517}
}