@book{28577,
	author = {Schoewe, Walter Henry,},
	title = {Coal resources of the Permian system in Kansas.},
	publisher = {s.n.],},
	year = {1951.},
	series = {Kansas. State Geological Survey. Bulletin 90, pt. 3},
	address = {[Lawrence :},
	note = {1951 Reports of studies, pt. 3, April 15, 1951.}
}