%0 Journal Article %T USING SONAR EQUIPMENT DURING THE PERIOD OF ICE FORMATION ON WATER BASINS %A Aldokhin, A.. %A Chemagin, A.. %K winter period, ice cover, hydroacoustic survey, ichthyologic research technique, hydroacoustic complex %J Vestnik of Astrakhan State Technical University %D 2018 %N 2018 %P 5 %I Astrakhan State Technical University