{"id":"S85144403","label":"Vortex generators","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85144403","normalized_label":"vortex generators","broader":["http://id.loc.gov/authorities/subjects/sh85016097","http://id.loc.gov/authorities/subjects/sh85144404"],"aliases":["Generators, Vortex"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85144403","provider":"lcsh","revision":"3c9c89fbd467f800","taxonomy_revision":"f050b5d4780b1289","title":"Vortex generators","url":"/topics/S85144403","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864915429968201220","address_version":"morton4x16-v1","coordinates":[0,20,19661,19456],"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}