000 00355nam a2200133Ia 4500
008 180710s9999 xx 000 0 und d
020 _a31620
082 _a338.2
_bSIN
100 _aSINHA, R.K.
245 _aMineral economics ( a text book for university students)
260 _aOxford & IBH pub.
_bNew Delhi
_c1970
300 _axvi, 317 p.
942 _cS
999 _c71633
_d71633