@book{27760,
	author = {Cooper, Chalmer L.},
	title = {Chester ostracodes of Illinois,},
	year = {1941.},
	address = {Urbana, Ill.,},
	note = {At head of title: State of Illinois, Dwight H. Green, governor. Dept. of registration and education, Frank G. Thompson, director. Division of the State geological survey, M. M. Leighton, chief, Urbana...}
}