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

mdl:-RTJMD0LB-F
  skos:prefLabel "absorbance"@fr, "absorbance"@en ;
  a skos:Concept ;
  skos:related mdl:-Z8NJMHFK-C .

mdl:-QSMZ26X7-1
  skos:prefLabel "physical parameter"@en, "paramètre physique"@fr ;
  a skos:Concept ;
  skos:narrower mdl:-Z8NJMHFK-C .

mdl:-Z8NJMHFK-C
  skos:related mdl:-RTJMD0LB-F, mdl:-PD5R3DC2-2 ;
  skos:hiddenLabel "densités optiques"@fr, "optical densities"@en ;
  a skos:Concept ;
  skos:inScheme mdl: ;
  skos:broader mdl:-QSMZ26X7-1 ;
  skos:prefLabel "densité optique"@fr, "optical density"@en .

mdl:-PD5R3DC2-2
  skos:prefLabel "opacité"@fr, "opacity"@en ;
  a skos:Concept ;
  skos:related mdl:-Z8NJMHFK-C .

mdl: a skos:ConceptScheme .