. "Lijst van stuk codes"@nl . . "Concept"@en . "Concept" . . . . "is in scheme"@en . . . "is top concept in scheme"@en . . "Via content negotiation" . . . "PON (deel 1/ v2)"@nl . . . "type" . . "preferred label"@en . . . "notation"@en . . . . . . . . . . "Projectonderzoeksnota"@nl . . . "PON" . . . "pon" . . "PON (deel 1/ v1)"@nl . "Dossierstuk"@nl . "has top concept"@en . . "Type"@en . .