1. Vinogradov, G. B., Titkova, L. V., Akshinskaya, N. V., Bebris, N. K., Kiselev, A. V., andNikitin, Yu, S., Zhurnal Fizicheskoy Khimii40, 84 (1966).
2. Hollis, O. L., Anal. Chem.38, 309 (1966).
3. Hollis, O. L., andHayes, W. V., J. Gas Chrom.4, 235 (1966).
4. Zlatkis, A., andKaufman, H. R., J. Gas Chrom.4, 240 (1966).
5. Hollis, O. L., andHayes, W. V., Gas Chromatography 1966, ed.A. B. Littlewood, Inst. Petrol, London (1968), p. 57.