TY  - BOOK
AU  - Karanam, U. M. Rao
AU  - Misra, B.
TI  - Principles of Rock Drilling
SN  - 9788120412750
U1  - 622.23 
PY  - 1998///
CY  - New Delhi
PB  - Oxford & IBH Publishing Co. Pvt. Ltd.
KW  - Civil Engineering
ER  -