TY  - RPRT
TI  - Mercury concentration in coal — Unraveling the puzzle
AU  - B. Toole-O’Neil
AU  - S.J. Tewalt
AU  - R. B. Finkelman
AU  - D.J. Akers
PY  - 1999
DO  - 10.1016/s0016-2361(98)00112-4
UR  - https://pubs.usgs.gov/publication/70020900
ID  - 70020900
ER  -