Book numbers : history, principles, and application 2026-02-15T20:33:19+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Lehnus, Donald J., 1934ï؟1/2 (American Library Association, 1980)