{"id":"S89006586","label":"Klein-Gordon equation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh89006586","normalized_label":"klein-gordon equation","broader":["http://id.loc.gov/authorities/subjects/sh85109461","http://id.loc.gov/authorities/subjects/sh85145778"],"aliases":["Schr\u00f6dinger-Klein-Gordon equation"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh89006586","provider":"lcsh","revision":"7930d630457fac7a","taxonomy_revision":"f050b5d4780b1289","title":"Klein-Gordon equation","url":"/topics/S89006586","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9855212991899895366","address_version":"morton4x16-v1","coordinates":[0,21,14471,59392],"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}