{"id":"S2008105542","label":"Heat exchangers--Congresses","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008105542","normalized_label":"heat exchangers--congresses","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008105542","provider":"lcsh","revision":"8c1c3cd1b92a14ac","taxonomy_revision":"f050b5d4780b1289","title":"Heat exchangers--Congresses","url":"/topics/S2008105542","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4902313356268036644","address_version":"morton4x16-v1","coordinates":[0,478,50441,6144],"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}