00479naa#a2200169#i#450# EN\INFRA-M\bibl\5346 20260118121919.7 2308-4898 20150417b2015####ek#y0engy0150####ca RUS RU Properties of Cyclide Dyupen and Their Application. Part 1 Journal article Moscow INFRA-M Academic Publishing LLC. 2015 9 с. Journal article local Sal'kov N. A. zh-szf.ru