000 00306nam a2200133Ia 4500
008 160316s1970 xxu||||| |||| 00| 0 eng d
020 _a
100 _aR K Sinha
245 _aMineral Economics
250 _a1
260 _aNEW DELHI
_bOXFORD PUBLISHING CO.
_c1970
300 _a317
700 _aN.L Sharma
_a
999 _c7008
_d7008