@book {127,
	title = {The Prosobranchia of the Siboga Expedition. Part 4: Rachiglossa},
	series = {Siboga Expeditie, Monografie},
	volume = {49d},
	year = {1911},
	pages = {247-364},
	keywords = {Indonesia, Recent, Siboga},
	author = {Schepman, M.M.}
}
@book {39,
	title = {Caroli a Linn{\'e}. Systema Naturae per regna tria Naturae, Editio decima tertia, Tom. 1, Pars VI, Classis VI. Vermes},
	year = {1791},
	pages = {3021-3910},
	address = {Leipzig},
	url = {http://www.archive.org/details/mobot31753002832605},
	author = {Gmelin, J.F.}
}
@book {629,
	title = {Neues systematisches Conchylien-Cabinet. Nach der Natur gezeichnet und mit lebendigen Farben erleuchtet. 2},
	year = {1773},
	pages = {[1-8], I-XVI [= 1-16], 1-362, Tab. XXXII-LXV [= 32-65]},
	address = {N{\"u}rnberg},
	author = {Martini, F.H.W.}
}
