@book{249201,
	author = {Deublein, Dieter. and Steinhauser, Angelika.},
	title = {Biogas from waste and renewable resources : },
	publisher = {Wiley-VCH, },
	year = {2011 (2014 reprint).},
	address = {Weinheim : },
	edition = {2nd, rev. and expanded ed.}
}