@book{29945,
	author = {GREENWOOD, Ivan A. and HOLDAM, Vance J.},
	title = {Electronic instruments /},
	year = {1948.},
	address = {New York,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=29945}
}