{"id":"S2008003710","label":"Aluminum alloys--Acoustic properties","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008003710","normalized_label":"aluminum alloys--acoustic properties","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008003710","provider":"lcsh","revision":"e8c2cd6074c868e7","taxonomy_revision":"f050b5d4780b1289","title":"Aluminum alloys--Acoustic properties","url":"/topics/S2008003710","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14469155492293124644","address_version":"morton4x16-v1","coordinates":[0,478,48849,63488],"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}