000 004540000a22001810004500
245 _aDesign criteria for drill rigs : equipment and drilling techniques
100 _aChugh, C.P.
100 _aSteele, Ken
100 _aSharma, V.M.
260 _aRotterdam
_bBalkema
_c1996
300 _avi, 404p. : ill.
020 _a9054102578
080 _a621.95
_bC5
650 _aDRILLING
650 _aDRILLING MACHINES
041 _aEN
942 _cBK
999 _c73655
_d73655