Petrological characteristics and sedimentary environment analysis of the Lower and Middle Triassic of Songkan section in Tongzi County， Guizhou Province
HU Guang-Cheng, BAO Zhi-Dong, ZHANG Zhen, LUO Xiao-Yu, CA Yu, LIU Li
JOURNAL OF PALAEOGEOGRAPHY . 2009, (2): 195 -204 .  DOI: 10.7605/gdlxb.2009.02.007