1. G. S. Nikanorov and A. A. Kist, Zhurnal Anal. Khimii. 22, 2438 (1967).
2. A. I. Ryabinin, A. S. Romanov, Sh. Khatamov, and R. Khamidova, Geo-khimia
N1, 158 (1974).
3. T. A. Sherbakova, V. A. Kovalyova, I. N. Mikholskaya, A. A. Kist, and L. I. Zhuk, Proc. of the USSR-Japan Joint Symposium on Analytical Chemistry, Tashkent, p. 250, 1988.
4. V. E. Zaichik and A. V. Tkachev, Bull Exp. Biol. i Meditsiny
N10,118 (1970).
5. V. E. Zaichik, V. M. Kalashnikov, and V. A. Bizer, Yaderno-Fizicheskie Medoty Elementnogo Analiza v Meditsine, Obninsk, pp. 58–74, 1980.