00318nam a22001217a 4500082003000000100001500030245003300045250000800078260003900086300002600125526003700151650000800188  a624.15132bVERcL-16 p-64  aVerma, B.P  aRock Mechanics for Engineers  a2nd  aDelhibRomesh Chander Khannac1989  ax, 213. pbill.c21cm  a0b0c0d624_151320000000000_VER  aMCE