{"id":"S85138666","label":"Tunnel diode oscillators","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85138666","normalized_label":"tunnel diode oscillators","broader":["http://id.loc.gov/authorities/subjects/sh85095903","http://id.loc.gov/authorities/subjects/sh85138667"],"aliases":["Oscillators, Tunnel diode"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85138666","provider":"lcsh","revision":"4ca8032f8828e4be","taxonomy_revision":"f050b5d4780b1289","title":"Tunnel diode oscillators","url":"/topics/S85138666","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547846714376192580","address_version":"morton4x16-v1","coordinates":[0,20,19571,43008],"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}