Sequence stratigraphy and coal accumulation of the Upper Triassic Xujiahe Formation in eastern Sichuan Basin
Gao Caixia, Shao Longyi, Li Changlin, Xu Xiaoyan, Xu Haitao
JOURNAL OF PALAEOGEOGRAPHY . 2009, (6): 689 -696 .  DOI: 10.7605/gdlxb.2009.06.009