{"id":"S2006005279","label":"Nonlinear optical spectroscopy","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2006005279","normalized_label":"nonlinear optical spectroscopy","broader":["http://id.loc.gov/authorities/subjects/sh85092328","http://id.loc.gov/authorities/subjects/sh85126423"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2006005279","provider":"lcsh","revision":"c805ec699cc0d8ec","taxonomy_revision":"f050b5d4780b1289","title":"Nonlinear optical spectroscopy","url":"/topics/S2006005279","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903125667217302048","address_version":"morton4x16-v1","coordinates":[0,478,17624,31744],"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}