000 00448nam a22001457a 4500
020 _a81-204-1275-3
082 _a622.338
_bKAR
_cDonation
100 _aRao Karanam, U. M and Misra, B
_942086
245 _aPrinciples of rock drilling
_cU.M. Rao Karanam & B. Misra
260 _aNew Delhi
_bOxford & IBH Publishing Co. Pvt Ltd
_c1998
300 _avii. 265.p:
526 _a0
_b0
_c0
_d622_338000000000000_KAR
650 _aMCE
_9379
942 _2ddc
_cBK
999 _c546063
_d546063