000 nam a22 7a 4500
999 _c2083
_d2083
003 Biblioteca INTEMIN
005 20180515232937.0
007 Libro
008 180515b xxu||||| |||| 00| 0 eng d
041 _aEN
080 _a549
100 _aTyler, Paul McIntosh
_d1889-
_95410
245 _aClay
_cTyler, Paul McIntosh
260 _aWashington
_bBureau of mines
_c1929
440 _aIC
_v6155
_95411
650 _aarcilla
_91219
942 _cBK