Lithofacies palaeogeography of the Early Silurian in
Sichuan area
Guo Yinghai Li Zhuangfu Li Dahua Zhang Tianmo Wang Zecheng Yu Ji
JOURNAL OF PALAEOGEOGRAPHY . 2004, (1): 20 -29 .  DOI: 10.7605/gdlxb.2004.01.003