@prefix lcsh: <http://www.yso.fi/onto/lcsh/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

lcsh:sh85051920
  skos:notation "QC661" ;
  dc:created "1986-02-11T00:00:00"^^xsd:dateTime ;
  skos:member lcsh:collection_LCSH_General, lcsh:collection_LCSHAuthorizedHeadings ;
  skos:broader lcsh:sh85051935 ;
  skos:inScheme <http://www.yso.fi/onto/lcsh> ;
  skos:prefLabel "Frequencies of oscillating systems--Measurement"@en ;
  a skos:Concept .

lcsh:sh85041828 skos:broader lcsh:sh85051920 .
lcsh:sh85042173 skos:broader lcsh:sh85051920 .
lcsh:sh85051935
  skos:prefLabel "Frequency standards"@en ;
  a skos:Concept .

<http://www.yso.fi/onto/lcsh> a skos:ConceptScheme .
lcsh:sh85051927 skos:broader lcsh:sh85051920 .