{"id":"S85013462","label":"Bethe-Salpeter equation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85013462","normalized_label":"bethe-salpeter equation","broader":["http://id.loc.gov/authorities/subjects/sh85098374","http://id.loc.gov/authorities/subjects/sh85109461"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85013462","provider":"lcsh","revision":"808932e93e6a3f21","taxonomy_revision":"f050b5d4780b1289","title":"Bethe-Salpeter equation","url":"/topics/S85013462","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867088064944686660","address_version":"morton4x16-v1","coordinates":[0,20,17615,22528],"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}