TY  - RPRT
TI  - Functional group and individual maceral chemistry of high volatile bituminous coals from southern Indiana: Controls on coking
AU  - R. Walker
AU  - Maria Mastalerz
PY  - 2004
DO  - 10.1016/j.coal.2003.10.008
UR  - https://pubs.usgs.gov/publication/70027278
ID  - 70027278
ER  -