%0 Journal Article %T INVESTIGATION OF LONG-TERM CHANGES IN THE LEVEL OF SKY ILLUMINATION AS AN ENVIRONMENTAL FACTOR %A Nazarov, S.B. %A Rogova, O.V. %A Khalaimova, A.V. %K -8, night sky illumination, light pollution, astronomical observations, CrAO, AMT-8 %J Russian Journal of Biological Physics and Chemisrty %D 2018 %N 3 %P 7 %I Federal State Educational Institution of Higher Education Sevastopol State University