{"id":"S85121714","label":"Shock tubes","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85121714","normalized_label":"shock tubes","broader":["http://id.loc.gov/authorities/subjects/sh85011311","http://id.loc.gov/authorities/subjects/sh85121706","http://id.loc.gov/authorities/subjects/sh85121715"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85121714","provider":"lcsh","revision":"7d4db13fa4b69d19","taxonomy_revision":"f050b5d4780b1289","title":"Shock tubes","url":"/topics/S85121714","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088274563671671360","address_version":"morton4x16-v1","coordinates":[0,20,19306,51200],"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}