TY  - RPRT
TI  - Mercury in US coal: Observations using the COALQUAL and ICR data
AU  - J.C. Quick
AU  - T.C. Brill
AU  - D.E. Tabet
PY  - 2003
UR  - https://pubs.usgs.gov/publication/70026062
ID  - 70026062
ER  -