Benthem Jutting, W. S. S. van. (1948). Systematic studies on the non-marine Mollusca of the Indo-Australian Archipelago. I. Critical revision of the Javanese operculate land-shells of the families Hydrocenidae, Helicinidae, Cyclophoridae, Pupinidae and Cochlostomatidae. Treubia. 19(3): 539-605. Buitenzorg (Bogor).
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Benthem Jutting, W. S. S. van
1948
Systematic studies on the non-marine Mollusca of the Indo-Australian Archipelago. I. Critical revision of the Javanese operculate land-shells of the families Hydrocenidae, Helicinidae, Cyclophoridae, Pupinidae and Cochlostomatidae