@book{9026,
	author = {OPPENHEIMER, Samuel L. and BORCHERS, Jean Paul},
	title = {Direct and alternating currents /},
	year = {1963.},
	address = {New York,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=9026}
}