Mechanics of engineering and of machinery 2026-02-15T22:43:56+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Weisbach, Julius, 1806-1871 (Lightning Source uk l.td, 2011)