@book{19930,
	author = {Ethridge, Frank G. and Society of Economic Paleontologists and Mineralogists.},
	title = {Recent and ancient nonmarine depositional environments :},
	publisher = {Society of Economic Paleontologists and Mineralogists,},
	year = {1981.},
	series = {Special publication / Society of Economic Paleontologists and Mineralogists ;},
	address = {Tulsa, Okla. :}
}