TY  - BOOK
AU  - Penman, David
AU  - Penman, J.S.
TI  - Principles and practice of mine ventilation: being a treatise on modern methods of mine problems explosions, fires, rescue, and recovery work and cognate subjects: David Penman, J.S. Penman
U1  - 622.4 
PY  - 1947///
CY  - London
PB  - Charles Griffiut Company Limited
KW  - Mine management
KW  - Mine safety
KW  - Industrial safety
KW  - Mine accidents
ER  -