{"id":"S85047878","label":"Ferroelectric devices","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85047878","normalized_label":"ferroelectric devices","broader":["http://id.loc.gov/authorities/subjects/sh85042254","http://id.loc.gov/authorities/subjects/sh85124637"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85047878","provider":"lcsh","revision":"b05c17f5e021374e","taxonomy_revision":"f050b5d4780b1289","title":"Ferroelectric devices","url":"/topics/S85047878","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290627587523363332","address_version":"morton4x16-v1","coordinates":[0,20,18153,6144],"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}