%0 Journal Article %T AVERAGE CHARACTERISTIC CONCENTRATIONS OF TOXICANTS IN BOTTOM SEDIMENTS OF THE VOLGA DELTA AND NORTHERN PART OF THE CASPIAN SEA %A Popova, O.. %A Karygina, N.. %K bottom sediments, control, pollution, toxicants, concentration, dispersity %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2017 %N %P 7 %I Astrakhan State Technical University