Dyachkov, V.V., Yu.A. Zaripova, A.V. Yushkov, A.L. Shakirov, M.T. Bigeldiyeva, K.S. Dusebayeva, and K.E. Abramov. 2018. “Periodic Variations in Time of Atmospheric Radioactive Nanoparticles”. Physical Sciences and Technology 4 (1):20-26. https://doi.org/10.26577/phst-2017-1-119.