@book{29291,
	author = {Keen, A. Myra},
	title = {New mollusks from tropical west America /},
	publisher = {Paleontological Research Institution,},
	year = {[1958]},
	series = {Bulletins of American paleontology ;},
	address = {Ithaca, N.Y., U.S.A. :},
	note = {Running title: New mollusks tropical west America.}
}