TY  - RPRT
TI  - Visual detection of gas shows from coal core and cuttings using liquid leak detector
AU  - C.E. Barker
PY  - 2006
DO  - 10.2113/gscpgbull.54.3.292
UR  - https://pubs.usgs.gov/publication/70028479
ID  - 70028479
ER  -