{"id":"S85058958","label":"Harmonics (Electric waves)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85058958","normalized_label":"harmonics (electric waves)","broader":["http://id.loc.gov/authorities/subjects/sh85042038"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85058958","provider":"lcsh","revision":"0f04cd223a747d9f","taxonomy_revision":"f050b5d4780b1289","title":"Harmonics (Electric waves)","url":"/topics/S85058958","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326656401651140160","address_version":"morton4x16-v1","coordinates":[0,20,18326,14336],"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}