1. Analytical chemistry of non-aqueous solutions of rare earth elements. I. Conductometric and potentiometric titrations of La, Nd and Y ions in acid solutions;Asenenko;Tr. Tomsk. Gos. Univ., Ser. Khim,1963
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3. The ethylenediamine titration. Application III;Flaschka;Chemist-Analyst,1958
4. Polarographic determination of landthanides by means of azo dye stuffs;Florence;U.S. At. Energy Comm,1960
5. A microvolumetric chromatographic method of determining the individual rare earth elements in their mixture;Lauer;Zavodsk. Lab,1959