1. V. P. Babmindra, T. A. Bragina, I. P. Ionov, and N. R. Nurtdinov,Structure and Models of Neuronal Complexes of the Brain [in Russian], Nauka, Leningrad (1988).
2. A. A. Ukhtomskii,Selected Works [in Russian], Nauka, Leningrad (1978).
3. D. Hubel and T. Wiesel, ?The central mechanisms of vision,? in:The Brain [Russsian translation], Mir, Moscow (1982).
4. V. A. Cherkes,Brain Structures or Neuronal Networks? [in Russian], Naukova Dumka, Kiev (1988).
5. O. G. Chorayan, ?The neuronal ensemble,?Uspekhi Fiziol. Nauk,20, No. 2, 75?95 (1989).