TY  - BOOK
AU  - Singh, R.D.
TI  - Principles and practices of modern coal mining
SN  - 9788122409741
U1  - 622.334 
PY  - 2016///
CY  - New Delhi: 
PB  - New Age International Ltd. Publishers, 
KW  - Coal mining
KW  - Engineering
KW  - Exploration
KW  - Geophysical surveying
ER  -