https://naval-encyclopedia.com/cold-war/ussr/soviet-frigates.php
Soviet Frigates (SKR), ASW specialists of the cold war
Development of Soviet Frigates during the cold war: Kola, Riga, Petya, Mirka, Grisha, Koni, Parchim, Krivak, Neustrahimyy class, doctrine and equipments.
the cold warsoviet frigatesskraswspecialists