%0 Journal Article %T BREAM FECUNDITY (ABRAMIS BRAMA LINNAEUS, 1758) IN THE VOLGA DELTA %A Ivanov, V.. %A Levashina, N.. %K bream, individual absolute fecundity, relative fecundity, sexual maturation %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2018 %N 2018 %P 12 %I Astrakhan State Technical University