"har produktions\u00E5r"@da . . "Relaterer en ressource til et \u00E5r eller dato knyttet til indgravering, fremstilling, konstruktion etc. af en ressource i upubliceret form."@da . . . . . "has date of production"@en . . "Relates a resource to a timespan during which an unpublished resource is inscribed, fabricated, constructed, or otherwise produced."@en .