TY  - RPRT
TI  - Petrography and geochemistry of the Middle Devonian coal from Luquan, Yunnan Province, China
AU  - S. Dai
AU  - D. Han
AU  - C. L. Chou
PY  - 2006
DO  - 10.1016/j.fuel.2005.08.017
UR  - https://pubs.usgs.gov/publication/70030467
ID  - 70030467
ER  -