00550naa#a2200169#i#450# EN\INFRA-M\bibl\2084 20240509020013.4 1998-071X 20140425b2014####ek#y0engy0150####ca RUS RU Preparation and Defense of Theses in Area of Ecology and Environmental Protection in Russia and European Countries Journal article Moscow INFRA-M Academic Publishing LLC. 2014 4 с. Journal article local Vasilyev Andrey Vital'evich naukaru.ru