{"id":"S98001750","label":"Van der Pol oscillators (Physics)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh98001750","normalized_label":"van der pol oscillators (physics)","broader":["http://id.loc.gov/authorities/subjects/sh85095898","http://id.loc.gov/authorities/subjects/sh85143117"],"aliases":["Oscillators, Van der Pol (Physics)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh98001750","provider":"lcsh","revision":"87f634949fc11cde","taxonomy_revision":"f050b5d4780b1289","title":"Van der Pol oscillators (Physics)","url":"/topics/S98001750","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"868284350708467238","address_version":"morton4x16-v1","coordinates":[0,23,23949,22528],"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}