{"id":"S2003000209","label":"Thermodynamic cycles","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2003000209","normalized_label":"thermodynamic cycles","broader":["http://id.loc.gov/authorities/subjects/sh85035062","http://id.loc.gov/authorities/subjects/sh85134783"],"aliases":["Heat cycles"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2003000209","provider":"lcsh","revision":"e915b733e23c4e62","taxonomy_revision":"f050b5d4780b1289","title":"Thermodynamic cycles","url":"/topics/S2003000209","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5188230360026211906","address_version":"morton4x16-v1","coordinates":[0,477,36206,17408],"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}