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

fmc:-M7CTZFVD-7
  a skos:Concept ;
  skos:inScheme fmc: ;
  skos:prefLabel "réfraction négative"@fr, "negative refraction"@en, "refracción negativa"@es, "negative Brechung"@de .

fmc: a skos:ConceptScheme .