Dalʹnevostochnai︠a︡ zonalʹnai︠a︡ nauchnai︠a︡ konfereni︠s︡ii︠a︡, posvi︠a︡shchennai︠a︡ 50-letii︠u︡ sovetskoĭ vlasti (3rd 1968 Vladivostok, R.S.F.S.R.)