{"id":"S2018001304","label":"Polymeric membranes","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2018001304","normalized_label":"polymeric membranes","broader":["http://id.loc.gov/authorities/subjects/sh85083476"],"aliases":["Polymer membranes"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2018001304","provider":"lcsh","revision":"d4600c50c68a1360","taxonomy_revision":"f050b5d4780b1289","title":"Polymeric membranes","url":"/topics/S2018001304","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"630503974174196802","address_version":"morton4x16-v1","coordinates":[0,481,8454,24576],"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}