1. N. N. Bogolepov, Ultrastructure of the Synapses in the Normal and Pathological States [in Russian], Meditsina, Moscow (1975).
2. I. V. Viktorov, ?Participation of the neuroglia in the formation of connections between isolated brain expiants,? in: Functions of the Neuroglia [in Russian], Metsniereba, Tbilisi (1979), p. 154.
3. M. D. Gedevanishvili, L. E. Tsutsunava, and N. A. Malazoniya, ?Serotonin independently stimulates adhesion and reproduction of fibroblasts in culture,? Tsitologiya,24, No. 2, 224 (1982).
4. E. A. Gromova, Emotional Memory and Its Mechanisms [in Russian], Nauka, Moscow (1980).
5. E. A. Gromova, V. G. Tsyganova, and A. R. Chubakov, ?Influence of serotonin and norepinephrine on RNA synthesis in a rat brain tissue culture,? Summaries of Reports at the Ninth All-Union Conference on the Biochemistry of the Nervous System [in Russian], Akad. Nauk ArmSSR, Erevan (1983), p. 107.