TY JOUR TI LONG-TERM MONITORING OF THE PHYSIOLOGICAL STATE OF THE MAIN SPECIES OF THE CASPIAN STURGEON KW Caspian Sea KW sturgeon KW physiological status KW ecological conditions KW cumulative toxicity JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Metallov, G.. AU Aksenov, V.. AU Geraskin, P.. AU Levina, O.. PY 2016 IS 2016 PB Astrakhan State Technical University