000 00350nam a22001097a 4500
008 230721b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aMineral resources development series
260 _aNew York:
_bUnited Nations,
490 _aMineral resources development series
942 _cCR
_2udc
999 _c53979
_d53979