Maassen, W. J. M. (2006). Four new species of terrestrial gastropods from Tonkin, North Vietnam (Gastropoda, Diplommatinidae, Strobilopsidae and Ariophantidae). Basteria. 70: 13–18.
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Maassen, W. J. M.
2006
Four new species of terrestrial gastropods from Tonkin, North Vietnam (Gastropoda, Diplommatinidae, Strobilopsidae and Ariophantidae)