1. L. N. Gutman, Introduction to the Nonlinear Theory of Mesometeorological Processes (Gidrometeoizdat, Leningrad, 1969) [in Russian].
2. D. V. Nalivkin, Hurricanes, Storms, and Tornadoes (Nauka, Leningrad, 1969) [in Russian]; Tornadoes (Nauka, Moscow, 1969) [in Russian].
3. W. H. Gray, in Meteorology over Tropical Ocean, Ed. by D. B. Show (Royal Meteorology Society, London, 1979), p. 151.
4. G. S. Golitsyn, Analysis of Convection with Geophysical Applications and Analogies (Gidrometeoizdat, Leningrad, 1980) [in Russian].
5. K. A. Emanuel, Mesoscale Meteorology: Theories, Observations, and Models Reidel, Dordrecht, The Netherlands, 1983), p. 551.