1. G. A. Vartanyan and E. S. Petrov, Emotion and Behavior [in Russian], Nauka, Moscow (1989).
2. I. V. Komissarov, Mechanisms of the Chemical Sensitivity of Synaptic Membranes [in Russian], Naukova Dumka, Kiev (1986).
3. A. A. Lebedev, The Effects of Individual Experience in Early Ontogenesis on the Formation of Reinforcing Systems in the Rat Brain, Author's Abstract of Thesis for Doctorate in Biological Sciences [in Russian], IÉM, Leningrad (1986).
4. A. A. Lebedev and P. D. Shabanov, “Comparison of the self-stimulation response and conditioned place preference on administration of phenamine in rats,” Zh. Vyssh. Nerv. Deyat.,42, No. 4, 692 (1992).
5. A. Bjorkound and T. Hokfelt, Classical Transmitters in the CNS, Elsevier, Oxford-Amsterdam-New York (1984).