Title: Biogeokhimii︠a︡ ėlementov i soedineniĭ toksikantov v substratnoĭ i pishchevoĭ t︠s︡epi︠a︡kh agro-i akvalʹnykh sistem
Subjects: Trace elements, Biochemical toxicology, Water chemistry, Analysis, Water, Environmental monitoring, Congresses, Biogeochemistry