@book{28760,
	author = {Hambleton, William W.},
	title = {Petrographic study of southeastern Kansas coals.},
	publisher = {s.n.],},
	year = {1953.},
	series = {Kansas. State Geological Survey. Bulletin 102, pt. 1},
	address = {[Lawrence :},
	note = {University of Kansas publication.}
}