{"id":"S85110742","label":"Radioisotopes in metallurgy","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110742","normalized_label":"radioisotopes in metallurgy","broader":["http://id.loc.gov/authorities/subjects/sh85084158","http://id.loc.gov/authorities/subjects/sh85110715"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110742","provider":"lcsh","revision":"2f4acee680736192","taxonomy_revision":"f050b5d4780b1289","title":"Radioisotopes in metallurgy","url":"/topics/S85110742","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867154310457607748","address_version":"morton4x16-v1","coordinates":[0,20,19135,22528],"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}