@article {180,
	title = {On a Collection of Land-Shells made in Borneo by Mr. A. Everett, with Descriptions of supposed new Species. Part II. Zonitidae and Helicidae.},
	journal = {Proceedings of the Zoological Society of London},
	year = {1891},
	month = {January 1, 1891},
	pages = {22-47},
	type = {Malacological taxonomy \& anatomy},
	chapter = {22},
	url = {http://www.biodiversitylibrary.org/item/97151$\#$58},
	author = {Godwin-Austen, H. H.}
}
@article {701,
	title = {On a collection of land-shells from Sarawak, British North Borneo, Palawan, and other neighbouring islands},
	journal = {Proceedings of the Zoological Society of London},
	volume = {1895},
	year = {1895},
	pages = {97{\textendash}127},
	chapter = {97},
	url = {http://www.biodiversitylibrary.org/item/97158$\#$135},
	author = {E.A. Smith}
}
@article {693,
	title = {Catalogue of the non-marine Mollusca of Sumatra and of its satelite Islands},
	journal = {Beaufortia},
	volume = {7},
	year = {1959},
	pages = {41-191},
	chapter = {41},
	author = {W.S.S. van Benthem Jutting}
}
@article {253,
	title = {Mit einem anhang Verzeichnis alter bisher von Sumatra bekannt gewordenen Land- und Susswasser Mollusken},
	journal = {Treubia},
	volume = {10},
	year = {1928},
	pages = {319-389},
	chapter = {319},
	author = {E. Degner}
}
