{"id":"S2008007554","label":"Automobiles--Catalytic converters--Thermodynamics","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008007554","normalized_label":"automobiles--catalytic converters--thermodynamics","broader":["http://id.loc.gov/authorities/subjects/sh85134783"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008007554","provider":"lcsh","revision":"d0a15e3f519a163b","taxonomy_revision":"f050b5d4780b1289","title":"Automobiles--Catalytic converters--Thermodynamics","url":"/topics/S2008007554","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4631042122341049952","address_version":"morton4x16-v1","coordinates":[0,478,48910,2048],"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}