Vermeulen, J. J. (1990). Notes on the non-marine molluscs of the island of Borneo 1. The genus Diaphera (Gastropoda Pulmonata Streptaxidae). Basteria. 54: 159-165. Leiden.
293169
Vermeulen, J. J.
1990
Notes on the non-marine molluscs of the island of Borneo 1. The genus <i>Diaphera</i> (Gastropoda Pulmonata Streptaxidae)