{"id":"S2013000358","label":"Tungsten trioxide","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2013000358","normalized_label":"tungsten trioxide","broader":["http://id.loc.gov/authorities/subjects/sh95006325"],"aliases":["Trioxotungsten","Tungstic acid anhydride","Tungstic anhydride","Tungstic oxide","Wolframic acid anhydride"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2013000358","provider":"lcsh","revision":"c9fd386fe0e81403","taxonomy_revision":"f050b5d4780b1289","title":"Tungsten trioxide","url":"/topics/S2013000358","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14143770436395229794","address_version":"morton4x16-v1","coordinates":[0,479,61386,38912],"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}