The gestalt theory and the problem of configuration 2026-02-16T14:21:11+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Petermann, Bruno, 1898-1941 (International library of psychology, philosophy and scientific method, 1932)