Pattern-directed inference systems 2026-02-16T23:19:41+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Waterman, D. A. (Donald Arthur), 1936-; Hayes-Roth, Frederick (Academic Press, 1978)