{"id":"S2009006351","label":"Free molecular flow","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009006351","normalized_label":"free molecular flow","broader":["http://id.loc.gov/authorities/subjects/sh85053300"],"aliases":["Flow, Free molecular","Free molecule flow","Knudsen flow"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009006351","provider":"lcsh","revision":"af4d9f23549a68d6","taxonomy_revision":"f050b5d4780b1289","title":"Free molecular flow","url":"/topics/S2009006351","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4957561599360640544","address_version":"morton4x16-v1","coordinates":[0,478,64516,15360],"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}