@book{26391,
	author = {Thiessen, Reinhardt, and White, David,},
	title = {Oil shales of Kentucky,},
	publisher = {Geological Survey,},
	year = {1925.},
	series = {Kentucky Geological survey, 1920-     Ser. VI. [Geologic reports]},
	address = {Frankfort, Kentucky,},
	edition = {1st ed.}
}