000			00277nam a2200109 4500
999			_c336503 _d336503
082			_a338.2 _bSIN.M
100			_aSinha, R.K. and Sharma, N.L.
245			_aMineral Economics _cSinha, R.K. and Sharma, N.L.
250			_aFourth
260			_aNew Delhi _c1988 _bOxford
942			_cBK