title: [250-year anniversary of the USSR Academy of Science].
mesh_terms: D000047:Academies and Institutes / Q000266:history*; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D012586:Science; D014586:USSR
vernacular_title: Akademii Nauk SSR 250 let