000 00265nam a2200097 4500
082 _a338.2
_bSIN.M
100 _aSinha K. and Sharma L.N.
245 _aMineral Economics
_cSinha K. and Sharma L.N.
260 _aNew Delhi
_c1970
_bOxford &IBH Publishing Co
942 _cBK
999 _c335466
_d335466