[25O years from the foundation of the academy of sciences of USSR (author's transl)].
D000047:Academies and Institutes / Q000266:history*; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D012586:Science / Q000266:history*; D014586:USSR
250 let od vzniku akademie vĕd SSSR