@book{21059,
	author = {IHLE, Claus},
	title = {Lüftung und Luftheizung /},
	publisher = {Werner,},
	year = {1977.},
	series = {Der Heizungsingenieur ;},
	address = {Düsseldorf :},
	edition = {3., neubearb. und erweit. Aufl.},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=21059}
}