@book {529,
	title = {Manual of conchology, structural and systematic : with illustrations of the species},
	volume = {2(6)},
	year = {1891},
	pages = {314},
	address = {Philadelphia},
	url = {http://www.biodiversitylibrary.org/item/76701$\#$7},
	author = {G.W. Tryon}
}
