TY  - RPRT
TI  - Petrography of Permian “Gondwana” coals from boreholes in northwestern Bangladesh, based on semiautomated reflectance scanning
AU  - Neely Bostick
AU  - William J. Betterton
AU  - Harold J. Gluskoter
AU  - Islam M. Nazrul
PY  - 1991
DO  - 10.1016/0146-6380(91)90106-t
UR  - https://pubs.usgs.gov/publication/70016411
ID  - 70016411
ER  -