TY  - BOOK
AU  -  Chugh,Chandra Parkash
TI  -  Drilling Technology Handbook
U1  -  622.2 CHU 
PY  - 1977///
CY  -  New Delhi : 
PB  -  Oxford & IBH pub., 
KW  -  Drilling Technology
KW  -  Handbooks, Manuals, e.t.c
ER  -