00550naa#a2200169#i#450# EN\\bibl\1564 20260126091621.1 2308-8877 20140317b2014####ek#y0engy0150####ca RUS RU Modern methods of investigation of natural polymers Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 5 с. Journal article local Danilov Yu. zh-szf.ru