00633naa#a2200205#i#450# EN\\bibl\13516 /en/manage/index 20250902153612.2 2071-7318 20161025b2016####ek#y0engy0150####ca RUS RU STUDY OF THE OPTICAL PROPERTIES ARTIFICIAL PIGMENT FILLERS Journal article Belgorod Belgorod State Technological University named after V.G. Shukhov 2016 3 с. Journal article local Chernositova Elena Yurakova T. G. Yurakov Nikita fht.editorum.ru /en/manage/index