@prefix mdl: <http://data.loterre.fr/ark:/67375/MDL> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

mdl: a skos:ConceptScheme .
mdl:-NQPT223L-S
  skos:prefLabel "raie H gamma"@fr, "H-gamma line"@en ;
  a skos:Concept ;
  skos:altLabel "raie H γ"@fr, "raie Hγ"@fr, "Hγ line"@en ;
  skos:hiddenLabel "raies H gamma"@fr, "H gamma line"@en, "raies H γ"@fr, "Raie H gamma"@fr, "raies Hγ"@fr ;
  skos:broader mdl:-NWS1S50W-6 ;
  skos:inScheme mdl: .

mdl:-NWS1S50W-6
  skos:prefLabel "raie de Balmer"@fr, "Balmer line"@en ;
  a skos:Concept ;
  skos:narrower mdl:-NQPT223L-S .