TY  - BOOK
AU  - Lidn, G.  D.
TI  - Control of methane in coal mines
U1  - 622.41 LID 
PY  - 1964///
CY  - Washington
PB  - U.S. Department of Commerce
KW  - Fire-damp
KW  - Mine ventilation
N1  - Includes bibliography (p.106-108)
ER  -