Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Στάδιο αναφοράς-el#Sense
Reference stage-en#Sense
Etapa de referencia-es#Sense
Utvecklingsstadium-sv#Sense
Stadio di riferimento-it#Sense
Fas-sv#Sense
Fase de referencia-es#Sense
Estado de referência-pt#Sense
Referencestadium-da#Sense
Stade repère-fr#Sense