TY  - RPRT
TI  - Geologic factors that control mineral matter in coal
AU  - C. B. Cecil
AU  - R.W. Stanton
AU  - F.T. Dulong
AU  - J.J. Renton
PY  - 1982
DO  - 10.1007/978-1-4684-4133-8_23
UR  - https://pubs.usgs.gov/publication/70188938
ID  - 70188938
ER  -