@article {1961,
	title = {Drei neue Pneumonopomen aus Borneo},
	journal = {Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft},
	volume = {25},
	year = {1893},
	pages = {194-197},
	chapter = {194},
	author = {O. Boettger}
}
@article {198,
	title = {Catalog der gegenwartig lebend bekannten Pneumonopomen},
	journal = {Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft},
	volume = {29},
	year = {1897},
	pages = {137-152},
	chapter = {137},
	url = {http://www.biodiversitylibrary.org/item/89671$\#$page/548/mode/1up},
	author = {W. Kobelt and O. von Moellendorff}
}
@article {183,
	title = {Zur Conchylien-Fauna von Borneo und Celebes},
	journal = {Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft},
	year = {1902},
	pages = {53-62},
	type = {Malacological Taxonomy},
	chapter = {53},
	url = {http://www.archive.org/details/nachrichtsblattd3234190012deut},
	author = {Gredler, P.V.}
}
