@book {703,
	title = {Catalog der Conchylien-Sammlung von Fr. Paetel. Vierte Neubearbeitung. Erste Abtheilung: die Cephalopoden, Pteropoden und Meeres-Gastropoden},
	year = {1887},
	pages = {[i] + 16 + 639 pp},
	publisher = {Gebr{\"u}der Paetel},
	organization = {Gebr{\"u}der Paetel},
	address = {Berlin},
	author = {Paetel, F.}
}
@book {702,
	title = {Catalog der Conchylien-Sammlung: Nebst Uebersicht des angewandten Systems},
	year = {1873},
	publisher = {Paetel},
	organization = {Paetel},
	address = {Berlin},
	author = {Paetel, F.}
}
