Database system concepts 2026-02-15T21:12:22+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Silberschatz, Abraham; Korth, Henry F.; Sudarshan, S. (McGraw-Hill, 2002)