TY  - GEN
AU  - Karanam, V. M. Rao
AU  - Misra, B.
TI  - Principles of rock drilling
SN  - 81-204-1275-3
U1  - 622.23 
CY  - New Delhi
PB  - Oxford and IBH Publishing, India
KW  - Mining
KW  - Rocks
KW  - Mining geology
KW  - Mining engineering
KW  - Drilling
N1  - Bibliography given in end of each chapter; 20050617; M
ER  -