@prefix rdr: . @prefix skos: . @prefix inist: . @prefix isothes: . rdr:-FPKXZBSZ-F skos:inScheme rdr: ; a skos:Concept ; skos:hiddenLabel "Surface lisse"@fr, "Superficie lisa"@es, "Smooth surface"@en ; inist:semCategory "Etat de la matière / Etat du milieu"@fr, "State of matter / State of medium"@en ; skos:prefLabel "smooth surface"@en, "surface lisse"@fr, "superficie lisa"@es . skos:prefLabel "Etat de la matière / Etat du milieu"@fr, "State of matter / State of medium"@en ; a isothes:ConceptGroup, skos:Collection ; skos:member rdr:-FPKXZBSZ-F . rdr: a skos:ConceptScheme .