@book{44821,
	author = {SOKÓŁ, Radosław},
	title = {Vademecum hakera :},
	publisher = {"Helion",},
	year = {cop. 2004.},
	address = {Gliwice :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=44821}
}