@book{53858,
	author = {Cronquist, Chapman. and Society of Petroleum Engineers (U.S.)},
	title = {Estimation and classification of reserves of crude oil, natural gas and condensate},
	publisher = {Society of Petroleum Engineers,},
	year = {2001.},
	series = {SPE book series},
	address = {Richardson, Tex. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10619560}
}