The nature of the physical world [microform] 2026-02-15T18:01:03+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Eddington, Arthur Stanley, 1882-1944 (The Gifford lectures ;, 1929)