{"id":"S2009007095","label":"Elastic wave propagation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009007095","normalized_label":"elastic wave propagation","broader":["http://id.loc.gov/authorities/subjects/sh85145785"],"aliases":["Elastic waves--Propagation","Propagation of elastic waves"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009007095","provider":"lcsh","revision":"262e82dd82a6e101","taxonomy_revision":"f050b5d4780b1289","title":"Elastic wave propagation","url":"/topics/S2009007095","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14721365591499892324","address_version":"morton4x16-v1","coordinates":[0,478,64527,56320],"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}