{"id":"S85091996","label":"Niobium--Magnetic properties","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85091996","normalized_label":"niobium--magnetic properties","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85091996","provider":"lcsh","revision":"57af86bf6da56628","taxonomy_revision":"f050b5d4780b1289","title":"Niobium--Magnetic properties","url":"/topics/S85091996","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903042112285983296","address_version":"morton4x16-v1","coordinates":[0,20,18842,28672],"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}