@book{30237,
	author = {Jewett, John Mark, and Emery, Philip A.,},
	title = {The Pleasanton Group (Upper Pennsylvanian) in Kansas /},
	publisher = {University of Kansas,},
	year = {1965.},
	series = {Kansas. State Geological Survey. Bulletin 175, pt. 4. 1965 Reports of studies, pt. 4},
	address = {Lawrence :}
}