id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-1237	Najman, R.	Nonlinear Aspects of Heat Pump Utilization	2010	5	.pdf	application/pdf	2158	101	68	Keywords: heat pumps, thermal mass of an object, coefficient of performance. These installations have a profound impact on the performance of heat pumps.	cache/ap-1237.pdf	txt/ap-1237.txt