Title: XXVII kongres
Subjects: Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za. Sʺezd 1986 : Moscow, R.S.F.S.R.), Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za, Technological innovations, Bŭlgarska komunisticheska partii︠a︡, Bŭlgarska komunisticheska partii︠a︡. Kongres 1986 : Sofia, Bulgaria)
Places: Soviet Union