Bruggen, A. C. van. (1976). Asperitas trochus (Müll.), a land snail of Palue Island, Flores, Indonesia (Mollusca, Gastropoda, Pulmonata, Ariophantidae). Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen Series C Biological and Medical Sciences. 79(3): 212-217, pl. 1.
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Bruggen, A. C. van
1976
<i>Asperitas trochus</i> (Müll.), a land snail of Palue Island, Flores, Indonesia (Mollusca, Gastropoda, Pulmonata, Ariophantidae)
Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen Series C Biological and Medical Sciences