@book{98425,
	author = {Gellings, Clark W.,},
	title = {Saving energy and reducing COb2s emissions with electricity /},
	publisher = {The Fairmont Press, Inc. :},
	year = {2011.},
	address = {Lilburn, Georgia ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10849102}
}