TY  - BOOK
AU  - Chugh, C.P.
TI  - Manual of Drilling Technology
U1  - 621.952 
PY  - 1985///
CY  - New Delhi
PB  - Oxonian Press Pvt. Ltd.
KW  - Engineering and allied operations
KW  - Technology (Applied sciences)
KW  - Drilling and boring
ER  -