Bartsch, P. (1932). The Philippine land mollusks Cochlostyla rufogaster and Obba marmorata and their races. United States National Museum Bulletin. 100(6): 329-342 [20 August 1932].
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Bartsch, P.
1932
The Philippine land mollusks <i>Cochlostyla rufogaster</i> and <i>Obba marmorata</i> and their races