@book{18677,
	author = {GRALLERT, Herbert},
	title = {Solarthermische Heizungssysteme :},
	publisher = {R. Oldenbourg,},
	year = {1978.},
	address = {München :},
	edition = {2., verb. Aufl.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=18677}
}