@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:broader lcsh:sh85051935 .
lcsh:sh85090022 skos:broader lcsh:sh85051935 .
<http://d-nb.info/gnd/4216129-0> skos:closeMatch lcsh:sh85051935 .
lcsh:sh85009316 skos:broader lcsh:sh85051935 .
lcsh:sh85051935
  skos:prefLabel "Frequency standards"@en ;
  skos:broader lcsh:sh85127315 ;
  skos:member lcsh:collection_LCSHAuthorizedHeadings, lcsh:collection_LCSH_General ;
  skos:related lcsh:sh85135397 ;
  skos:inScheme <http://www.yso.fi/onto/lcsh> ;
  skos:closeMatch <http://d-nb.info/gnd/4216129-0>, <http://data.bnf.fr/ark:/12148/cb11950705j> ;
  skos:altLabel "Standard frequencies"@en ;
  dc:created "1986-02-11T00:00:00"^^xsd:dateTime ;
  a skos:Concept .

lcsh:sh85135397
  skos:notation "QB223" ;
  skos:prefLabel "Time--Systems and standards"@en ;
  a skos:Concept ;
  skos:related lcsh:sh85051935 .

<http://data.bnf.fr/ark:/12148/cb11950705j> skos:closeMatch lcsh:sh85051935 .
<http://www.yso.fi/onto/lcsh> a skos:ConceptScheme .
lcsh:sh85127315
  skos:notation "TA368" ;
  skos:prefLabel "Standards, Engineering"@en ;
  a skos:Concept .

lcsh:sh85095902 skos:broader lcsh:sh85051935 .
lcsh:sh85009317 skos:broader lcsh:sh85051935 .