TY  - RPRT
TI  - Rank enhancement of Permian Barakar and Raniganj coal measures in the western part of the Sohagpur coalfield, Madhya Pradesh, India
AU  - Peter D. Warwick
AU  - Robert C. Milici
AU  - Abhijit Mukhopadhyay
AU  - Siri Adhikari
PY  - 1999
UR  - https://pubs.usgs.gov/publication/70195479
ID  - 70195479
ER  -