1. Yu. A. Moroz, in: Proceedings of a Symposium on Basic Problems in Age Physiology and Biochemistry [in Russian], Khar'kov (1965), p. 180.
2. V. N. Nikitin and L. I. Stavitskaya, in: Problems in Age Physiology and Biochemistry [in Russian], Khar'kov (1960), p. 125.
3. E. V. Parina, in: Problems in Age Physiology and Biochemistry [in Russian], Khar'kov (1962), p. 316.
4. V. I. Romanovskii, Applications of Statistical Methods to Experimental Investigation [in Russian], Moscow-Leningrad (1947).
5. L. I. Stavitskaya, in: Problems in Age Physiology and Biochemistry [in Russian], Khar'kov (1962), p. 147.