@book{54838,
	author = {Von Hagen, Wiliam. and Bąk, Adam.},
	title = {Ubuntu Linux :},
	publisher = {Wydawnictwo Helion,},
	year = {2008.},
	series = {Biblia},
	address = {Gliwice :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=54838}
}