1. Belov, A., Bieber, J.W., Eroshenko, E.A., Evenson, P., Gvozdevsky, B.B., Pchelkin, V.V., Pyle, R., Vashenyuk, E.V., Yanke, V.G.: 2001, In: Proc. 27th Int. Cosmic Ray Conf., 3446.
2. Belov, A., Eroshenko, E., Mavromichalaki, H., Plainaki, C., Yanke, V.: 2005a, Ann. Geophys. 23, 2281.
3. Belov, A., Eroshenko, E., Mavromichalaki, H., Plainaki, C., Yanke, V.: 2005b, Adv. Space Res. 35(4), 697.
4. Belov, A., Eroshenko, E., Mavromichalaki, H., Plainaki, C., Yanke, V.: 2005c, In: Proc. 29th Int. Cosmic Ray Conf. 1, 189.
5. Belov, A., Eroshenko, E., Kryakunova, O.N., Kurt, V.G., Yanke, V.G.: 2010, Geomagn. Aeron. 50, 21.