@book {690,
	title = {Mollusca. II. Trochomorphidae-Janellidae},
	volume = {3},
	year = {1914},
	pages = {520},
	publisher = {Taylor and Francis},
	organization = {Taylor and Francis},
	address = {London},
	url = {http://www.archive.org/details/molluscaiitrocho00gude},
	author = {G.K. Gude}
}
