1. E. P. Bogovarova, Tezi dopovidei 5-go z'ezdu Ukrains'k. Tovaristva. Piziologiv, bioknimiv, Farmakologiya, Kiev, p. 39 (1956).
2. I. A. Bulygin, Dokl. AN SSSR,85, No. 6, p. 1415 (1952).
3. N. E. Wednskii. Complete collected works [in Russian], Leningrad,3, p. 225 (1952);4, p. 325 (1953).
4. B. Werigo, Pflüg. Arch. ges. Physiol., 1883, Bd. 31, S. 417.
5. D. S. Verontsov. General electrophysiology [in Russian], Moscow (1961), p. 282; 377.