| “Direct Spectrographic Determination of Traces of Ihallium in Urine”, Toxicology and Applied Phar Vol. 15, No. 2, Sep 1969
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“Determination of Traces of Metals in Petroleum Crudes by arc Spectrography”, Analysis 1975 Vol. 3, No. 4, pp. 201-204 | |
“Direct Determination of Traces of Heavy Metals in Conned Vegetabels by arc Spectrography Agricultural and Food Chemistry”, May-June 1979 Vol. 27, pp. 637-638
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“Spectrographic Determination of Traces of Cobalt in Vitamin B12 Preparations“, Journal of pharmaecutieal sciences, Vol. 59, No. 8, Agust 1970
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