1. A. A. Korchak, Solar Phys. 66, 149 (1980).
2. J. A. Miller, P. F. Cargill, A. G. Emslie, et al., J. Geophys. Res. 102, 14631 (1997).
3. K. Hasselmann and G. Wibberenz, Zeitschrift für Geophys. 34, 353 (1968).
4. Toptygin I.N., Cosmic Rays in Interplanetary Magnetic Fields [in Russian] (Nauka, Moscow, 1983).
5. V. S. Berezinskii, S. V. Bulanov, V. L. Ginzburg, et al., Cosmic-Ray Astrophysics [in Russian], Ed. by V. L. Ginzburg (Nauka, Moscow, 1984).