{"id":"S2009128872","label":"Laser interferometers--Congresses","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009128872","normalized_label":"laser interferometers--congresses","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009128872","provider":"lcsh","revision":"4829581294cb8649","taxonomy_revision":"f050b5d4780b1289","title":"Laser interferometers--Congresses","url":"/topics/S2009128872","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9259401135163598434","address_version":"morton4x16-v1","coordinates":[0,479,894,40960],"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}