{"id":"S85124630","label":"Solid propellant rockets--Combustion","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85124630","normalized_label":"solid propellant rockets--combustion","broader":["http://id.loc.gov/authorities/subjects/sh85028831"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85124630","provider":"lcsh","revision":"fe385d7ef2962562","taxonomy_revision":"f050b5d4780b1289","title":"Solid propellant rockets--Combustion","url":"/topics/S85124630","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867154327633281536","address_version":"morton4x16-v1","coordinates":[0,20,19352,22528],"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}