{"id":"S85074778","label":"Laser interferometers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85074778","normalized_label":"laser interferometers","broader":["http://id.loc.gov/authorities/subjects/sh85067257"],"aliases":["Laser interferometer"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85074778","provider":"lcsh","revision":"94a58e05b58c6725","taxonomy_revision":"f050b5d4780b1289","title":"Laser interferometers","url":"/topics/S85074778","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900931032780523012","address_version":"morton4x16-v1","coordinates":[0,20,18573,26624],"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}