{"id":"S85110757","label":"Radioisotopes in sanitary engineering","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110757","normalized_label":"radioisotopes in sanitary engineering","broader":["http://id.loc.gov/authorities/subjects/sh85110715","http://id.loc.gov/authorities/subjects/sh85117279"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110757","provider":"lcsh","revision":"339a85618f3f5224","taxonomy_revision":"f050b5d4780b1289","title":"Radioisotopes in sanitary engineering","url":"/topics/S85110757","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513933653613626948","address_version":"morton4x16-v1","coordinates":[0,20,19135,37888],"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}