environment, J. Space Weath. & Space Clim., 2013, 3, A17, 1 – 72, https:// doi. org / 10.1051 / swsc / 2013037
15. Usoskin I. G., L. Desorgher, Ionization of the Earth’ s atmosphere bysolar and galactic c osmic rays, Acta Geophys., 2009, 57( 1), 88 – 101
16. Velinov P. I. Y. I., Asenovski, S., Mateev, L., Quantitative evaluation of spectra and intensity of anomalous cosmic rays in middle atmosphere. C. R. Acad. Bulg. Sci., 2023, 76( 10),
1544-1553.
ADDRESS OF THE AUTHORS
1. Corr. Memb. Prof. Peter I. Y. Velinov Space Research and Technology Institute, Bulgarian Academy of Sciences( BAS) PeterIYVelinov @ gmail. com
2. Assoc. Prof. Simeon Asenovski Space Research and Technology Institute – BAS asenovski @ gmail. com
3. Assoc. Prof., Lachezar Mateev Space Research and Technology Institute- BAS
lachezar909 @ gmail. com.
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