{"id":"S2007000329","label":"Zeolite catalysts","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2007000329","normalized_label":"zeolite catalysts","broader":["http://id.loc.gov/authorities/subjects/sh85020940"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2007000329","provider":"lcsh","revision":"355c624b4e87adda","taxonomy_revision":"f050b5d4780b1289","title":"Zeolite catalysts","url":"/topics/S2007000329","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4647723638953748000","address_version":"morton4x16-v1","coordinates":[0,478,33172,9216],"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}