{"id":"S85022921","label":"Chemical lasers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85022921","normalized_label":"chemical lasers","broader":["http://id.loc.gov/authorities/subjects/sh85074788"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85022921","provider":"lcsh","revision":"f0767119036e1c0b","taxonomy_revision":"f050b5d4780b1289","title":"Chemical lasers","url":"/topics/S85022921","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324272384561513028","address_version":"morton4x16-v1","coordinates":[0,20,17763,9216],"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}