@prefix psr: <http://data.loterre.fr/ark:/67375/PSR> .
@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#> .

psr: a skos:ConceptScheme .
psr:-MQFT4237-C
  dc:created "2023-07-31"^^xsd:date ;
  dc:modified "2023-07-31"^^xsd:date ;
  a skos:Concept ;
  skos:inScheme psr: ;
  skos:broader psr:-GFQPRZ9W-8 ;
  skos:prefLabel "hyperbolic spiral"@en, "spirale hyperbolique"@fr ;
  skos:altLabel "reciprocal spiral"@en, "spirale réciproque"@fr .

psr:-GFQPRZ9W-8
  skos:prefLabel "spirale de Cotes"@fr, "Cotes's spiral"@en ;
  a skos:Concept ;
  skos:narrower psr:-MQFT4237-C .