{"id":"S85013453","label":"Betatron oscillations","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85013453","normalized_label":"betatron oscillations","broader":[],"aliases":["Oscillations, Betatron"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85013453","provider":"lcsh","revision":"1fd0c316b16c32cd","taxonomy_revision":"f050b5d4780b1289","title":"Betatron oscillations","url":"/topics/S85013453","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326524168264894020","address_version":"morton4x16-v1","coordinates":[0,20,17615,13312],"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}