{"id":"S85134769","label":"Thermionic emission","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85134769","normalized_label":"thermionic emission","broader":["http://id.loc.gov/authorities/subjects/sh85038254","http://id.loc.gov/authorities/subjects/sh85042245","http://id.loc.gov/authorities/subjects/sh85042426","http://id.loc.gov/authorities/subjects/sh85067842","http://id.loc.gov/authorities/subjects/sh85084258","http://id.loc.gov/authorities/subjects/sh85119423"],"aliases":["Edison effect","Emission, Thermionic"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85134769","provider":"lcsh","revision":"1169bec680f18ea6","taxonomy_revision":"f050b5d4780b1289","title":"Thermionic emission","url":"/topics/S85134769","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088146728198211136","address_version":"morton4x16-v1","coordinates":[0,20,19510,50176],"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}