1. Afanasiev, N.T., Ivelskaya, M.K., Sazhin, V.I., Sazonov, P.A., Tinin M.V., 1995. On the ionosphericfine structure influence upon the attenuation of the high-frequency radio wave field in the skip zone.Abstracts of Papers at a Conference on Radio Physics and Electronics: Problems in Science andEducation. Irkutsk.
2. Agafonnikov, Yu. M., Pakhotin, V.A., 1979. Questions of Radio Wave Propagation in High andMiddle Latitudes. IZMIRAN, Moscow, pp. 41–49.
3. Agarichev, A.I., Sazhin, V.I., Tinin, M.V., 1979. Questions of Radio Wave Propagation in High andMiddle Latitudes. IZMIRAN, Moscow, pp. 82–89.
4. Implementation of operational V.I. sounding data for updating the ionospheric models