1. Experimental investigation of fluctuations of radio signal Doppler frequencies and angles of arrival by vertical-incidence sounding of ionospheric F2 layer;Afraimovich;Izvestiya Vuzov. Radio Physics (in Russian),1978
2. Interference Methods of Ionospheric Radio Sounding (in Russian);Afraimovich,1982
3. Statistical angle-of-arrival and doppler method (SADM) for determining characteristics of the dynamics of the transionospheric radio signal interference pattern;Afraimovich;Acta Geodaetica et Geophysica Hungurica,1997
4. Dynamics and anisotropy of travelling ionospheric disturbances as deduced from transionospheric sounding data;Afraimovich;Radio Science,1999
5. Propagation of Electromagnetic Waves and Ionosphere (in Russian);Al’pert,1972