@book{47614,
	author = {SZYMANSKI, Robert A. and SZYMANSKI, Donald P.},
	title = {Introduction to computers and information systems /},
	publisher = {Merril Publishing Company,},
	year = {c. 1988.},
	address = {Columbus [etc.] :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=47614}
}