Title: 40 godini Sŭi︠u︡z na nauchnite rabotnit︠s︡i v Bŭlgarii︠a︡
Subjects: Science, Scientists, Sŭi︠u︡z na nauchnite rabotnit︠s︡i v Bŭlgarii︠a︡, Societies
Places: Bulgaria