{"id":"S85010314","label":"Automobiles--Motors--Knock","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85010314","normalized_label":"automobiles--motors--knock","broader":[],"aliases":["Automobiles--Motors--Detonation","Automobiles--Motors--Preignition","Detonation in automobile motors","Knock in automobile motors","Preignition in automobile motors"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85010314","provider":"lcsh","revision":"956dac4a3d93dccc","taxonomy_revision":"f050b5d4780b1289","title":"Automobiles--Motors--Knock","url":"/topics/S85010314","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324404309779695168","address_version":"morton4x16-v1","coordinates":[0,20,17566,10240],"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}