Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226003
Is Reference of Essentiële vereisten-nl#Sense
Exigencias esenciales-es#Sense
Grundlegende Anforderungen-de#Sense
Väsentliga krav-sv#Sense
Exigências essenciais-pt#Sense
Exigences essentielles-fr#Sense
Essential requirements-en#Sense