{"id":"S85000592","label":"Acoustic surface wave filters","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85000592","normalized_label":"acoustic surface wave filters","broader":["http://id.loc.gov/authorities/subjects/sh85000576","http://id.loc.gov/authorities/subjects/sh85000593","http://id.loc.gov/authorities/subjects/sh85041689"],"aliases":["Filters, Acoustic surface wave","Surface wave filters"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85000592","provider":"lcsh","revision":"788566495cc9b8cd","taxonomy_revision":"f050b5d4780b1289","title":"Acoustic surface wave filters","url":"/topics/S85000592","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864695526501779008","address_version":"morton4x16-v1","coordinates":[0,20,17414,16384],"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}