{"id":"S85129179","label":"Strontium--Isotopes","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85129179","normalized_label":"strontium--isotopes","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85129179","provider":"lcsh","revision":"90e6b80011c12356","taxonomy_revision":"f050b5d4780b1289","title":"Strontium--Isotopes","url":"/topics/S85129179","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900940120998692420","address_version":"morton4x16-v1","coordinates":[0,20,19423,27648],"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}