Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Q-en#Sense
Q-fr#Sense
Q-de#Sense
Q-nl#Sense
Kwaliteitsfactor-nl#Sense
Quality factor-en#Sense
Gütefaktor-de#Sense
Coefficient de qualité-fr#Sense