{"id":"S2002012487","label":"Motors (Diesel)--Exhaust gas","description":"Use as a topical subdivision under individual land vehicles and types of land vehicles.","source_url":"https://id.loc.gov/authorities/subjects/sh2002012487","normalized_label":"motors (diesel)--exhaust gas","broader":[],"aliases":["Exhaust gas of diesel motors"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002012487","provider":"lcsh","revision":"a4946010be3746e4","taxonomy_revision":"f050b5d4780b1289","title":"Motors (Diesel)--Exhaust gas","url":"/topics/S2002012487","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"291757635798181382","address_version":"morton4x16-v1","coordinates":[0,477,20773,7168],"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}