@book{15487,
	author = {RICHARDS, R. K.},
	title = {Elektronische Bauelemente u. Schaltungen /},
	year = {1972.},
	address = {Berlin,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=15487}
}