000 nam a22 7a 4500
999 _c1063
_d1063
003 Biblioteca de INTEMIN
005 20180501204646.0
008 180501b xxu||||| |||| 00| 0 eng d
041 _aingles
080 _a549 (797) (058)
110 _aU.S. Bureau of mines.
_952
245 _aMinerals Yearbook 1990. Volume I: metals and minerals
_cU.S. Bureau of mines.
260 _aWashington
_bGovernment printing office
_c1990
610 _aU.S. Bureau of mines.
_952
650 _aminerales
_94
650 _ametales
_93344
650 _aanuario
_93342
942 _cBK