1. N. M. Amosov, V. A. Lishchuk, S. A. Patskina, et al., Self-Regulation of the Heart [in Russian], Kiev (1969).
2. A. Guyton, Physiology of the Circulation. Minute Volume of the Heart and Its Regulation [in Russian], Moscow (1969).
3. L. I. Osadchii, The Work of the Heart and Vascular Tone [in Russian], Leningrad (1975).
4. F. E. Ostapyuk and M. B. Beganova, Klin. Med., No. 6, 57 (1974).
5. Z. M. Booker, A. Hyde, A. Fletcher, et al., Circ. Res.,41, 179 (1977).