{"id":"S85053309","label":"Gas lasers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85053309","normalized_label":"gas lasers","broader":["http://id.loc.gov/authorities/subjects/sh85074788"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85053309","provider":"lcsh","revision":"d8b8880713f8aa75","taxonomy_revision":"f050b5d4780b1289","title":"Gas lasers","url":"/topics/S85053309","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126357248344475140","address_version":"morton4x16-v1","coordinates":[0,20,18237,62464],"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}