Database system concepts 2026-02-15T19:50:16+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Silberschatz, Abraham; Korth, Henry F; Sudarshan, S (McGraw-Hill Higher Education, 2006)