Maassen, W. J. M. & Kittel, K. (1996). Notes on terrestrial molluscs of the island of Sulawesi. 1. The Pupinidae (Gastropoda Prosobranchia: Pupinidae). Basteria. 60(4/6): 171-176, figs. 1-7.
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Maassen, W. J. M. & Kittel, K.
1996
Notes on terrestrial molluscs of the island of Sulawesi. 1. The Pupinidae (Gastropoda Prosobranchia: Pupinidae)