1. Aritmiya Solntsa. V kosmicheskikh luchakh (Arrhythmia of the Sun.;V.I. Kozlov,2019
2. Aivazyan, S.A., Enyukov, I.S., and Meshalkin, I.D., Prikladnaya statistika. Osnovy modelirovaniya i pervichnaya obrabotka dannykh (Applied Statistics. Modeling Basics and Data Preprocessing), Moscow: Finansy i statistika, 1983.
3. Kozlov, V.I. and Krymskii, P.F., Fizicheskie osnovaniya prognoza katastroficheskikh yavlenii (Physical Foundations for Predicting Catastrophic Phenomena), Yakutsk: Yakutsk. Nauchn. Tsentr, Inst. Kosmofiz. Issled. Aeron., Ross. Akad. Nauk, 1993.
4. Kozlov, V.I. and Kozlov, V.V., “Anomalous” solar activity in “weak” cycles 20 and 23 as a manifestation of the invariant of the 11-year cycle, Soln.-Zemnaya Fiz., 2008, vol. 1, no. 12, pp. 32–33.
5. Kozlov, V.I. and Kozlov, V.V., Galactic cosmic ray fluctuation parameter as an indicator of the degree of magnetic field inhomogeneity, Geomag. Aeron., 2011, vol. 51, no. 2, art. id. 187.