TY  - BOOK
AU  - Chugh, Chandar Prakash
TI  - Diamond drilling
U1  - 622.382 
PY  - 1984///
CY  - New Delhi
PB  - Oxford
KW  - Civil engineering
KW  - Drilling and boring
KW  - Hydraulics
N1  - Includes bibliographical references and index
ER  -