Zhang, L. X.; Wang, Y. J. (1974). Permian Fusulinids, p. 289–295. In Nanjing Institute of Geology and Palaeontology (ed.), 西南地区地层古生物手册 - A handbook of the stratigraphy and Palaeontology of Southwest China. Science Press, Beijing. (In Chinese with English abstract).
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Zhang, L. X.; Wang, Y. J.
1974
Permian Fusulinids, p. 289–295. In Nanjing Institute of Geology and Palaeontology (ed.), 西南地区地层古生物手册 - A handbook of the stratigraphy and Palaeontology of Southwest China