@book{30244,
	author = {Ladd, Harry Stephen,},
	title = {Chitons and Gastropods (Haliotidae through Adeorbidae) from the western Pacific Islands,},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1966.},
	series = {Geological survey professional paper 531},
	address = {Washington,}
}