{"id":"S85121715","label":"Shock waves","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85121715","normalized_label":"shock waves","broader":["http://id.loc.gov/authorities/subjects/sh85121706","http://id.loc.gov/authorities/subjects/sh85145789"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85121715","provider":"lcsh","revision":"a7a995f84e278650","taxonomy_revision":"f050b5d4780b1289","title":"Shock waves","url":"/topics/S85121715","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088283359764693568","address_version":"morton4x16-v1","coordinates":[0,20,19306,52224],"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}