Title: Biblio RTF Export
Author: Biblio 7.x

H. H.  Godwin-Austen and Nevill, G., ?Descriptions of shells from Perak and the Nicobar Islands?, Proceedings of the Zoological Society of London, vol. 1879, pp. 734-740, 1879.

O. P.  Moellendorff, ?On the Land and Freshwater Shells of Perak.?, Proceedings of the Zoological Society of London, vol. 59, pp. 330?348, 1891.