{"id":"S2010013858","label":"Benjamin-Feir instability","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2010013858","normalized_label":"benjamin-feir instability","broader":[],"aliases":["B-F instability","Instability, Benjamin-Feir"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2010013858","provider":"lcsh","revision":"cbca7e723a51f80f","taxonomy_revision":"f050b5d4780b1289","title":"Benjamin-Feir instability","url":"/topics/S2010013858","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9242723468917744226","address_version":"morton4x16-v1","coordinates":[0,479,14722,34816],"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}