TY JOUR TI EFFECT OF HEAVY METALS ON CHEMICAL BODY STRUCTURE OF BIVALVES KW biotesting KW shells KW heavy metals KW protein metabolism KW ecological environment JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Andreev, V.. AU Golbina, O.. AU Kanieva, N.. AU Fedorova, N.. PY 2013 IS 2013 PB Astrakhan State Technical University