@book{28902,
	author = {Merriam, Daniel Francis. and Frye, John Chapman,},
	title = {Additional studies of the Cenozoic of western Kansas /},
	publisher = {s.n.,},
	year = {1954]},
	series = {Kansas. State Geological Survey. Bulletin 109, pt. 4. 1954 Reports of studies, pt. 4},
	address = {[Lawrence :}
}