TY  - RPRT
TI  - Factors that influence the extraction of polycyclic aromatic hydrocarbons from coal
AU  - J. Xue
AU  - Gaisheng Liu
AU  - Z. Niu
AU  - C. L. Chou
AU  - C. Qi
AU  - Lingyun Zheng
AU  - H. Zhang
PY  - 2007
DO  - 10.1021/ef0605753
UR  - https://pubs.usgs.gov/publication/70032084
ID  - 70032084
ER  -