@book{43679,
	author = {Cheswick, William R. and Bellovin, Steven M. and Helion},
	title = {Firewalle i bezpieczeństwo w sieci :},
	publisher = {"Helion",},
	year = {cop. 2003.},
	series = {Vademecum Profesjonalisty},
	address = {Gliwice :},
	note = {Poprawna nazwa pierwszego aut. w cop.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=43679}
}