00495naa#a2200169#i#450# EN\RIOR\bibl\5333 20251121235004.5 2409-5087 20141231b2014####ek#y0engy0150####ca RUS RU Differentiation or contrast nature management and environmental protection Journal article Moscow Publishing Center RIOR 2014 4 с. Journal article local Bogolyubov Syergyey build-pro.press