Ouyang, S.; Yin, L.; Li, Z. (1974). Sinian and Cambrian spores. Pp. 72-123 in Handbook of Stratigraphy and Palaeontology in Southwestern China. Nanjing Institute of Geology and Palaeontology, Academia Sinica.
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Ouyang, S.; Yin, L.; Li, Z.
1974
Sinian and Cambrian spores. Pp. 72-123 in Handbook of Stratigraphy and Palaeontology in Southwestern China. Nanjing Institute of Geology and Palaeontology, Academia Sinica