Author: Russia) Vsesoi︠u︡znai︠a︡ nauchnai︠a︡ konferent︠s︡ii︠a︡ "Istoricheskiĭ opyt khozi︠a︡ĭstvennogo i sot︠s︡ialʹno-kulʹturnogo razvitii︠a︡ Sibiri" (1981 Novosibirsk