000 nam a22 7a 4500
999 _c132858
_d132858
008 190920b ||||| |||| 00| 0 eng d
082 _aR|H 553.06
_bWOR.1-.4
245 _aOptimal exploitation of solid mineral resources challenges & constitution
260 _aNew Delhi :
_b12th World Mining Congress,
_c1984.
300 _a4V (VI. p. - V4. p.) ;
_c20.5 cm.
650 _aSolid mineral resources
942 _cBK