{"id":"S85075469","label":"Lead-sodium alloys","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85075469","normalized_label":"lead-sodium alloys","broader":["http://id.loc.gov/authorities/subjects/sh85075442","http://id.loc.gov/authorities/subjects/sh85124255"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85075469","provider":"lcsh","revision":"bd023e05b42a04fe","taxonomy_revision":"f050b5d4780b1289","title":"Lead-sodium alloys","url":"/topics/S85075469","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326590138895712768","address_version":"morton4x16-v1","coordinates":[0,20,18584,13312],"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}