@book{18590,
	author = {CUBE, Hans Ludwig and STEIMLE, Fritz},
	title = {Wärmepumpen /},
	year = {1978.},
	address = {Düseldorf,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=18590}
}