@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:sh85028577 skos:broader lcsh:sh85076871 .
lcsh:sh85101138 skos:broader lcsh:sh85076871 .
<http://d-nb.info/gnd/4035596-2> skos:closeMatch lcsh:sh85076871 .
lcsh:sh85076893 skos:broader lcsh:sh85076871 .
lcsh:sh85101398 skos:broader lcsh:sh85076871 .
lcsh:sh85067253 skos:broader lcsh:sh85076871 .
lcsh:sh85042150 skos:broader lcsh:sh85076871 .
lcsh:sh85126423
  skos:notation "QC450-QC467", "QD95-QD96" ;
  skos:prefLabel "Spectrum analysis"@en ;
  a skos:Concept ;
  skos:related lcsh:sh85076871 .

lcsh:sh85089464 skos:broader lcsh:sh85076871 .
<http://www.yso.fi/onto/lcsh> a skos:ConceptScheme .
lcsh:sh85039083 skos:broader lcsh:sh85076871 .
lcsh:sh85042179
  skos:notation "QC660.5-QC678.6" ;
  skos:prefLabel "Electromagnetic waves"@en ;
  a skos:Concept .

lcsh:sh85146779 skos:broader lcsh:sh85076871 .
lcsh:sh85112207 skos:broader lcsh:sh85076871 .
lcsh:sh85008310 skos:broader lcsh:sh85076871 .
lcsh:sh85076871
  dc:created "1986-02-11T00:00:00"^^xsd:dateTime ;
  skos:member lcsh:collection_LCSH_General, lcsh:collection_LCSHAuthorizedHeadings ;
  skos:closeMatch <http://d-nb.info/gnd/4035596-2>, <http://data.bnf.fr/ark:/12148/cb119582471> ;
  skos:related lcsh:sh85095181, lcsh:sh85126423, lcsh:sh85076909 ;
  skos:notation "QC350-QC467" ;
  a skos:Concept ;
  skos:prefLabel "Light"@en ;
  skos:broader lcsh:sh85042179 ;
  dc:modified "1992-04-30T14:12:51"^^xsd:dateTime ;
  skos:inScheme <http://www.yso.fi/onto/lcsh> .

lcsh:sh85037928 skos:broader lcsh:sh85076871 .
<http://data.bnf.fr/ark:/12148/cb119582471> skos:closeMatch lcsh:sh85076871 .
lcsh:sh85136926 skos:broader lcsh:sh85076871 .
lcsh:sh85139622 skos:broader lcsh:sh85076871 .
lcsh:sh85076909
  skos:prefLabel "Light sources"@en ;
  a skos:Concept ;
  skos:related lcsh:sh85076871 .

lcsh:sh85033323 skos:broader lcsh:sh85076871 .
lcsh:sh85078838 skos:broader lcsh:sh85076871 .
lcsh:sh85095181
  skos:notation "QC350-QC467" ;
  skos:prefLabel "Optics"@en ;
  a skos:Concept ;
  skos:related lcsh:sh85076871 .

lcsh:sh85095162 skos:broader lcsh:sh85076871 .