Su, C.; Li, Y.; Liu, J.; Wang, Y.; Cui, J.; Zhang, Z. Redefinition of the Yangtianba Formation in Wenxian County, Gansu Province and its geological significance. Geological Bulletin of China. 24(5): 429-437.
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Su, C.; Li, Y.; Liu, J.; Wang, Y.; Cui, J.; Zhang, Z.
Redefinition of the Yangtianba Formation in Wenxian County, Gansu Province and its geological significance