Kosuge, S. (1983). Descriptions of two new species of the genus Bolma from the Philippines with a list of hitherto known species (Gastropoda Turbinacea). Bulletin of the Institute of Malacology, Tokyo. 1 (9): 129-132, pls 44-45.
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Kosuge, S.
1983
Descriptions of two new species of the genus <i>Bolma</i> from the Philippines with a list of hitherto known species (Gastropoda Turbinacea)