000 00346nam a22001457a 4500
005 20170401152838.0
008 170401b xxu||||| |||| 00| 0 eng d
041 _aeng
100 _aBISWAS,D
_93628
245 _aMODERN CONCEPTS OF SURFACE MINING METHODS
260 _bLOVELY PRAKSAHAN
300 _a371
650 _aMINNING
_93619
942 _cBK
999 _c5386
_d5384