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2. N. P. Alekseev and P. O. Makarov, "The hyperpolarization phase of the receptor potential of the isolated frog muscle spindle," Biofizika,14, 669 (1969).
3. N. P. Alekseev, "Effect of changes in the rate of decline of the trailing edge of a mechanical stimulus on the hyperpolarization phase of the receptor potential of the isolated frog muscle spindle," in: The Nervous System [in Russian], LGU (1970), pp. 132?135.
4. N. P. Alekseev and P. O. Makarov, "Effect of inhibitors of ouabain metabolism on the receptor potential of the isolated frog muscle spindle," Biofizika,15, 93 (1970).
5. B. I. Khodorov, The Problem of Excitability [in Russian], Nauka, Leningrad (1969).