00709naa#a2200205#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\23846 20240515234059.3 1997-4868 20180925b2018####ek#y0engy0150####ca RU CONTENT OF HEAVY METALS IN WATER AND BOTTOM SEDIMENTS OF FRESHWATER RESERVOIRS IN CHELYABINSK REGION Journal article Ekaterinburg Ural State Agrarian University 2018 6 с. Journal article local Биологические науки. 57 Gribovskiy Yu. G. Nohrin D. Yu. Davydova N. A. Kolesnik E. A. usau.editorum.ru