| ［1］ Boyle R. W. etc.,1973, The geochemistry of Arsenic and its use as an mdicator element in geochemical prospecting J. Geochem. explor. 2, 251-269.
［2］ Boyle R. W. , 1974, Elemental association in mineral deposits and indicator element of interem in geochemicat prospecting. (Revised)Geol. surv. Canada, Paper, 74-95.
［3］ Frederickson A. F. etc, 1971, Mobility flexibility highlight a mass spectrometer-computer technique for tegiotsal exploration. E/MJ, june, 1971.
［4］ Thompson A. J.:1977, Determination of as to soil and plant materials by AAS with electrothermal atomizer. The Analyst, 102, 9. |
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