• http://ja.wcontology.org/resource/Category:ヘリウムの同位体 ( describe )
  • http://www.w3.org/2002/07/owl#sameAs ( describe )
    • http://en.wcontology.org/resource/Category:Isotopes_of_helium
    • http://ja.dbpedia.org/resource/Category:ヘリウムの同位体
  • http://wcontology.org/core#addConstraint ( describe )
    • http://ja.wcontology.org/resource/Category:同位体
  • http://www.w3.org/1992/02/22-rdf-syntax-ns#type ( describe )
    • http://wcontology.org/core#constrainedSetCategory
  • http://wcontology.org/core#usedForConstraint ( describe )
    • http://ja.wcontology.org/resource/Category:ヘリウム
  • http://www.w3.org/ns/prov#wasDerivedFrom ( describe )
    • http://ja.wikipedia.org/wiki/Category:ヘリウムの同位体?oldid=47772418