TY  - GEN
AU  - Chugh, C.P.
AU  - Steele, Ken
AU  - Sharma, V.M.
TI  - Design criteria for drill rigs : equipment and drilling techniques
SN  - 9054102578
PY  - 1996///
CY  - Rotterdam
PB  - Balkema
KW  - DRILLING
KW  - DRILLING MACHINES
ER  -