Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2431
Is Reference of Bereits erworbene fiktive Zeit-de#Sense
Reeds verworven tijdvakken-nl#Sense
Período creditado já cumprido-pt#Sense
Periodo ficticio ya adquirido-es#Sense
Credited period already acquired-en#Sense
Une période créditée déjà acquise-fr#Sense
Periodi già acquisiti di versamento dei contributi-it#Sense