@book{29337,
	author = {RITTERMAN, Saul},
	title = {Computer circuit concepts /},
	publisher = {McGraw-Hill,},
	year = {1986.},
	address = {New York :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=29337}
}