TY  - BOOK
AU  - Cervik, Joseph.
CN  - TN23
CN  - TN23
CY  - [Washington] :
DA  - 1977.
ID  - 9251
KW  - Coal mines and mining
KW  - Methane.
KW  - Coal mines and mining
PB  - Dept. of the Interior, Bureau of Mines,
PP  - [Washington] :
PY  - 1977.
T1  - Water infusion of coalbeds for methane and dust control /
TI  - Water infusion of coalbeds for methane and dust control /
ER  -