TY  - RPRT
TI  - Composition and quality of coals in the Huaibei Coalfield, Anhui, China
AU  - Lingyun Zheng
AU  - Gaisheng Liu
AU  - L. Wang
AU  - C. L. Chou
PY  - 2008
DO  - 10.1016/j.gexplo.2007.11.002
UR  - https://pubs.usgs.gov/publication/70031895
ID  - 70031895
ER  -