{"id":"S85091217","label":"Neutron spin echoes","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85091217","normalized_label":"neutron spin echoes","broader":["http://id.loc.gov/authorities/subjects/sh85091214"],"aliases":["Echoes, Neutron spin","Spin echoes, Neutron"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85091217","provider":"lcsh","revision":"f8b67d4b2c3e9cbe","taxonomy_revision":"f050b5d4780b1289","title":"Neutron spin echoes","url":"/topics/S85091217","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864770311546095168","address_version":"morton4x16-v1","coordinates":[0,20,18830,17408],"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}