1. V. V. Belikovich, E. A. Benediktov, Yu. K. Gol'tsova, G. M. Zhislin, G. P. Komrakov, and A. V. Tolmacheva,Izv. Vyssh. Uchebn. Zaved., Radiofiz.,29, No. 2, 131 (1986).
2. V. V. Belikovich and E. A. Benediktov,Geomagn. Aéron.,26, No. 5, 839 (1986).
3. V. V. Belikovich, E. A. Benediktov, N. P. Goncharov, and A. V. Tolmacheva,Geomagn. Aéron.,35, No. 4, 64 (1995).
4. E. A. Benediktov, V. V. Belikovich, Yu. P. Grebnev, and A. V. Tolmacheva,Geomagn. Aéron. 33, No. 5, 170 (1993).
5. V. V. Belikovich, E. A. Benediktov, and A. V. Tolmacheva,Geomagn. Aéron.,34, No. 1, 141 (1994).