@book{52691,
	author = {Cushman, Joseph A.},
	title = {The smaller fossil Foraminifera of the Panama canal zone.},
	publisher = {Govt. print. off.,},
	year = {1918.},
	series = {Smithsonian institution, United States National museum. Bulletin 103 [pt.3]},
	address = {Washington,},
	note = {At head of title: Contributions to the geology and paleontology of the Canal zone, Panama, and geologically related areas in Central America and the West Indies.}
}