{"id":"S85072665","label":"Klystrons, Reflex","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85072665","normalized_label":"klystrons, reflex","broader":["http://id.loc.gov/authorities/subjects/sh85072664"],"aliases":["Reflex klystrons"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85072665","provider":"lcsh","revision":"14b783e9b37b0f04","taxonomy_revision":"f050b5d4780b1289","title":"Klystrons, Reflex","url":"/topics/S85072665","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900799090382751232","address_version":"morton4x16-v1","coordinates":[0,20,18540,25600],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}