{"id":"S85028840","label":"Combustion gases","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85028840","normalized_label":"combustion gases","broader":["http://id.loc.gov/authorities/subjects/sh2005007473","http://id.loc.gov/authorities/subjects/sh85145415"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85028840","provider":"lcsh","revision":"2dee44fe525a7a23","taxonomy_revision":"f050b5d4780b1289","title":"Combustion gases","url":"/topics/S85028840","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547635626330179140","address_version":"morton4x16-v1","coordinates":[0,20,17855,40960],"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}