1. A construction of the electron concentration profiles of a day ionosphere for a predication of the VLF propagation and examination of VLF field variations connected with a solar zenith angle, a season and a solar activity;Azamin;Problems of the Waves Diffraction and Propagation. Proc. Leningrad State University, Leningrad, U.S.S.R.,1978
2. Propagation of VLF in High Latitudes;Beloglazov,1982
3. VLF propagation, computation of the plane wave reflection coefficients for an inhomogeneous anisotropic plasma;Gavrilova;Problems of the Waves Diffraction and Propagation. Proc. Leningrad State University, Leningrad, U.S.S.R.,1966
4. Propagation of the electromagnetic pulses and their harmonics above a ground surface;Gyunninen;Problems of the Waves Diffraction and Propagation. Proc. Leningrad Slate University, Leningrad, U.S.S.R.,1964
5. Long waves propagation above a ground surface;Gyunninen,1966