TY JOUR TI FISHING IN DRAINING PONDS OF MODERN FISH FARMS KW pond fishing KW fish catcher KW bottom drainage KW carp KW yearlings KW dragnet JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Kostrykin, D.. AU Grozesku, Y.. PY 2020 IS 2020 PB Astrakhan State Technical University