{"tema_id":"389","string":"electromagnetic","created":"2026-03-13 10:13:31","code":null,"modified":"2026-03-19 08:05:32","notes":[{"@type":"Definition note","@lang":"en","@value":"RefTypes used in the domain of electromagnetic "},{"@type":"Historical note","@lang":"en","@value":"2026-03-13 Created "}]}