1. Longitude effect in configuration of the main ionospheric trough;Deminov,1986
2. The characteristics of global longitudinal effect in the night equatorial anomaly;Karpachev;Geomagnetism i aeronomy,1988
3. Longitudinal variations of the night midlatitude ionosphere according to the data of Interkosmos-19;Deminov;Geomagnetism i aeronomy,1988
4. The longitudinal variations of the equatorial ionosphere according to the data of Interkosmos-19;Kochenova;Geomagnetism i aeronomy,1987
5. The F2 region equatorial anomaly in the African;Lyon,1963