@book{7928,
	author = {Libbie Henrietta Hyman},
	title = {The Invertebrates Vol.6- Mollusca 1, Aplacophora, Polyplacophora, Monoplacophora, Gastropoda, The Coelmate Bilateria},
	publisher = {The Macmillan Company},
	year = {1918},
	address = {New York}
}