@book{56409,
	author = {Schwartz, Randal L. and Phoenix, Tom.},
	title = {Perl :},
	publisher = {Wydawnictwo Helion,},
	year = {2006.},
	address = {Gliwice :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=56409}
}