{"id":"S85068679","label":"Isotope separation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85068679","normalized_label":"isotope separation","broader":["http://id.loc.gov/authorities/subjects/sh85110675","http://id.loc.gov/authorities/subjects/sh85120087"],"aliases":["Isotope enrichment","Isotopes--Separation"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85068679","provider":"lcsh","revision":"a6354e2ff1719006","taxonomy_revision":"f050b5d4780b1289","title":"Isotope separation","url":"/topics/S85068679","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290702078295295552","address_version":"morton4x16-v1","coordinates":[0,20,18478,7168],"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}