{"id":"S2004005287","label":"Thermal neutron beams--Attenuation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2004005287","normalized_label":"thermal neutron beams--attenuation","broader":["http://id.loc.gov/authorities/subjects/sh2003007020"],"aliases":["Thermal neutron attenuation"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2004005287","provider":"lcsh","revision":"511fef930f62a8bb","taxonomy_revision":"f050b5d4780b1289","title":"Thermal neutron beams--Attenuation","url":"/topics/S2004005287","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14125760418752374338","address_version":"morton4x16-v1","coordinates":[0,477,51910,39936],"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}