{"id":"S85135155","label":"Thyristor control","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85135155","normalized_label":"thyristor control","broader":["http://id.loc.gov/authorities/subjects/sh85042285","http://id.loc.gov/authorities/subjects/sh85135157"],"aliases":["Control, Thyristor"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85135155","provider":"lcsh","revision":"2aaee4783a1ef942","taxonomy_revision":"f050b5d4780b1289","title":"Thyristor control","url":"/topics/S85135155","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088287465686582784","address_version":"morton4x16-v1","coordinates":[0,20,19516,52224],"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}