Sequence stratigraphy and coal accumulation of the Upper Permian in Zhijin-Nayong Coalfield of western Guizhou Province
Guo Lijun, Hong Yuanjin, Shao Longyi, Yi Tongsheng, Zhang Weiping, Wang Hao
JOURNAL OF PALAEOGEOGRAPHY . 2011, (5): 493 -500 .  DOI: 10.7605/gdlxb.2011.05.003