TY - RPRT TI - The distribution, occurrence and environmental effect of mercury in Chinese coals AU - Lingyun Zheng AU - Gaisheng Liu AU - C. L. Chou PY - 2007 DO - 10.1016/j.scitotenv.2007.05.037 UR - https://pubs.usgs.gov/publication/70031350 ID - 70031350 ER -