GEMET Thesaurus EIONET 0000-00-00 2012-10-18 11:15:56 el παρακολούθηση ακτινοβολιών 辐射监控 radiation monitoring vigilancia de la radiación surveillance des radiations monitoraggio delle radiazioni monitoring radiologiczny monitorização radiológica мониторинг радиации 2011-04-14 11:45:14