@book{6918,
	author = {SIKORSKI, Witold and TURCZYŃSKI, Krzysztof},
	title = {Programy Nortona /},
	publisher = {"Mikom",},
	year = {1993.},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=6918}
}