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2. N. D. Strel'nikova, L. P. Izakenaite, and R. A. Aksenova, in: Organic Complexes, Tomsk Univ. (1965), p. 86.
3. N. D. Strel'nikova, Doctoral Thesis Synopsis, Tomsk Univ. (1966).
4. W. Scheele and W. Meine, Kolloid Z.,129, 39 (1952).
5. K. Nakanishi, Infrared Absorption Spectroscopy, Holden-Day, San Francisco (1962); Infrared Spectra and the Structure of Organic Compounds [Russian translation], Izd. Mir, Moscow (1965), pp.58, 17, 49, and 204.