00583naa#a2200181#i#450# EN\\bibl\7727 20241202131055.1 2308-8877 20151115b2015####ek#y0engy0150####ca RUS RU Contradictions (collision) norms the environmental law Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 3 с. Journal article local Yunusov E. Mokshanov M. zh-szf.ru