id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-1173	Koller, J.	Treatment of Biogas for Use as Energy	2010	5	.pdf	application/pdf	2670	132	52	Abstract The biogas generated in biogas plants offers significant potential for the production of energy from renewable energy sources. Biogas plants usually use co-generation units to generate electricity and heat.	cache/ap-1173.pdf	txt/ap-1173.txt