Umbgrove JHF. (1924). Report on Plistocene and Pliocene corals from Ceram. Geological, Petrographical, and Paleontological Results of explorations carried out from September 1917 till June 1919 in the island of Ceram, Second Series: Palaeontology. 1: 1-22, map, pls. 1-2.
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Umbgrove JHF
1924
Report on Plistocene and Pliocene corals from Ceram
Geological, Petrographical, and Paleontological Results of explorations carried out from September 1917 till June 1919 in the island of Ceram, Second Series: Palaeontology