TY  - RPRT
TI  - Chemistry of thermally altered high volatile bituminous coals from southern Indiana
AU  - R. Walker
AU  - Maria Mastalerz
AU  - S. Brassell
AU  - E. Elswick
AU  - J.C. Hower
AU  - A. Schimmelmann
PY  - 2007
DO  - 10.1016/j.coal.2006.06.009
UR  - https://pubs.usgs.gov/publication/70030084
ID  - 70030084
ER  -