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Semiquantitative spectrographic analysis of tungsten
Spectrochemical analysis of high-purity tungsten
Spectrochemical determination of beryllium in mineral beneficiation products
Analysis of high-purity vanadium by optical emission spectrography
Analysis of high-purity hafnium by optical emission spectrography
Analysis of high-purity columbium by optical emission spectrography
Spectrochemical analysis of tungsten
Infrared spectra of 27 compounds in the regions 15-35 and 15-200 microns