00721naa#a2200193#i#450# EN\\bibl\41153 20250617235514.2 2686-777X 20201215b2020####ek#y0engy0150####ca RU ECOLOGICAL PROBLEMS OF THE BAIKAL NATURAL TERRITORY AND SOME WAYS OF THEIR SOLUTION Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2020 4 с. Journal article local Экология. 636 tbk Общая экология. 6361 tbk Golovschikov Vladimir Olegovich Konovalov Yuriy Vasil'evich angtu.editorum.ru