@book{53443,
	author = {Koczyk, Halina and Systherm, Danuta Gazińska},
	title = {Ogrzewnictwo praktyczne :},
	publisher = {"Systherm Serwis",},
	year = {2005.},
	address = {Poznań :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=53443}
}