{"id":"S85032406","label":"Copper-zirconium alloys","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85032406","normalized_label":"copper-zirconium alloys","broader":["http://id.loc.gov/authorities/subjects/sh85032341","http://id.loc.gov/authorities/subjects/sh85149905"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85032406","provider":"lcsh","revision":"c81db567ad8ec73b","taxonomy_revision":"f050b5d4780b1289","title":"Copper-zirconium alloys","url":"/topics/S85032406","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867088082128995908","address_version":"morton4x16-v1","coordinates":[0,20,17911,22528],"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}