TY  - RPRT
TI  - Composition and origin of coalbed gases in the Lower Silesian basin, southwest Poland
AU  - M.J. Kotarba
AU  - D. D. Rice
PY  - 2001
DO  - 10.1016/s0883-2927(00)00058-5
UR  - https://pubs.usgs.gov/publication/70023336
ID  - 70023336
ER  -