Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/2831002
Is Reference of Aufsichtsdichte Da-de#Sense
Reflection density dr-en#Sense
Densité par réflexion dr-fr#Sense
Densità di riflessione-it#Sense
Reflectie-densiteit dr-nl#Sense