000 nam a22 7a 4500
999 _c3554
_d3554
003 Biblioteca INTEMIN
005 20180529205625.0
007 ta
008 180527b xxu||||| |||| 00| 0 eng d
041 _ainglés
080 _a622
100 _aWeber, James H.
_93547
245 _aProcessing high resolution mass spectrographic plates with a comparator microdensitometer programmable calculator system
_cWeber, James H.; Decora, A. W.; Severin, D. W. K.; Earnshaw, D. G.
260 _aWashington
_bBureau of mines
_c1974
300 _a14 p.
440 _aRI 7938
_97181
650 _aMINERIA
_93338
650 _aMINING
_92163
653 _aPROCESAMIENTO ELECTRONICO DE DATOS
653 _aESPECTROMETRIA DE MASAS
653 _aELECTRONIC DATA PROCESSING
653 _aMASS SPECTROMETRY
700 _aDecora, A. W.
_91105
700 _aSeverin, D. W. K.
_97718
700 _aEarnshaw, D. G.
_97719
942 _2udc
_cCR