TY JOUR TI Spectral researches of mead black-earth soils of the Belogorsky district, Republic of Crimea KW meadow chernozem soils KW minerals KW microplastic KW humus KW IR spectroscopy KW Raman spectroscopy KW Belogorsky district JO Russian Journal of Biological Physics and Chemisrty AU Dubas, V.V. AU Aleksashkin, I.V. AU Mosunov, A.A. AU Yakimova, K.V. PY 2020 IS 5 PB Federal State Educational Institution of Higher Education Sevastopol State University