{"id":"S85067338","label":"Spark ignition engines--Fuel systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85067338","normalized_label":"spark ignition engines--fuel systems","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85067338","provider":"lcsh","revision":"5fd4d44a9c735a39","taxonomy_revision":"f050b5d4780b1289","title":"Spark ignition engines--Fuel systems","url":"/topics/S85067338","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324470279403618820","address_version":"morton4x16-v1","coordinates":[0,20,18457,10240],"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}