TY  - BOOK
AU  - Chugh, C. P.
TI  - Drilling technology handbook
AV  - TJ1160.C5 
PY  - 1983///
CY  - : New Delhi
PB  - Oxford and IBH Publishing
KW  - Machine shop practice - Handbooks
KW  - Drilling machinery-Practices
N1  - Includes index
ER  -