@book{55020,
	author = {Małecki, Adam.},
	title = {Biomass, biogas, heat, electric and mechanical energy /},
	publisher = {University of Zielona Góra,},
	year = {2006.},
	address = {Zielona Góra :},
	url = {http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=55020}
}