{"id":"S85013989","label":"Biharmonic equations","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85013989","normalized_label":"biharmonic equations","broader":["http://id.loc.gov/authorities/subjects/sh85037912"],"aliases":["Equations, Biharmonic"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85013989","provider":"lcsh","revision":"92932c4aa8c55df9","taxonomy_revision":"f050b5d4780b1289","title":"Biharmonic equations","url":"/topics/S85013989","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513867408100951620","address_version":"morton4x16-v1","coordinates":[0,20,17623,37888],"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}