@book{19553,
	title = {Grafoskopy w systemach komputerowych :},
	publisher = {Wydawn. Nauk.-Techn.,},
	year = {1980.},
	series = {Informatyka},
	address = {Warszawa :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=19553}
}