@book{28850,
	author = {Recknagel, Hermann and Sprenger, Eberhard},
	title = {Taschenbuch für Heizung und Klimatechnik /},
	year = {1987.},
	address = {Oldenbourg,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=28850}
}