Brönnimann P., Whittaker, J.E., & Zaninetti, L. (1975): Triassic foraminiferal biostratigraphy of the Kyuakme-Longtawkno area Northern Shan States, Burma. Rivista Italiana di Paleontologia e Stratigrafia. 81(1): 1-30.
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Brönnimann P., Whittaker, J.E., & Zaninetti, L. (1975): Triassic foraminiferal biostratigraphy of the Kyuakme-Longtawkno area Northern Shan States, Burma