@book{10867,
	author = {Levorsen, Arville Irving. and Berry, Frederick A. F.},
	title = {Geology of Petroleum /},
	publisher = {American Association of Petroleum Geologists,},
	year = {2001.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0891818243/chopaconline-20}
}