Metodologi︠i︡a i ėffektivnostʹ geofizicheskikh i kosmofizicheskikh issledovaniĭ - Pochtarev, V. I. (Viktor Ivanovich); Meshcher︠i︡akov, Vladimir Terentʹevich (In-t zemnogo magnetizma, ionosfery i rasprostraneni︠i︡a radiovoln AN SSSR, 1989)