Ishii, K. I., and Y. Nogami, 1964, Contributions to the geology and paleontology of Cambodia. Part 1. Permian fusulinids, Journal of Geosciences, Osaka City University 8:9-70.
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Ishii, K. I., and Y. Nogami, 1964, Contributions to the geology and paleontology of Cambodia. Part 1. Permian fusulinids, Journal of Geosciences, Osaka City University 8:9-70.