Vsesoi︠u︡znai︠a︡ nauchno-tekhnicheskai︠a︡ konferent︠s︡ii︠a︡ po primenenii︠u︡ radioaktivnykh i stabilʹnykh izotopov izlucheniĭ v narodnom khozi︠a︡ĭstve i nauke (2nd : 1957 : Moscow)
Vsesoi︠u︡znai︠a︡ nauchno-tekhnicheskai︠a︡ konferent︠s︡ii︠a︡ po primenenii︠u︡ radioaktivnykh i stabilʹnykh izitopov i izlucheniĭ v narodnom khozi︠a︡ĭstve i nauke (2nd : 1957 : Moscow)
Vsesoi︠u︡znai︠a︡ nauchno-tekhnicheskai︠a︡ konferent︠s︡ii︠a︡ po primenenii︠u︡ radioaktivnykh i stabilʹnykh izotopov i izlucheniĭ v narodnom khozi︠a︡ĭstve i nauke (2nd : 1957 : Moscow)