@book{21909,
	author = {Recknagel, Hermann and Sprenger, Eberhard},
	title = {Taschenbuch fur Heizung und Klimatechnik /},
	year = {1983.},
	address = {Munchen,},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=21909}
}