Wiktor, A. (1998). Terrestrial gastropods of the Province of Madang in Papua New Guinea I. Terrestrial Prosobranchia. Archiv für Molluskenkunde. 127 (1/2): 1-20. Frankfurt am Main.
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Wiktor, A.
1998
Terrestrial gastropods of the Province of Madang in Papua New Guinea I. Terrestrial Prosobranchia