Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Hertz-de#Sense
Hertz-it#Sense
HZ-fr#Sense
Hz-fr#Sense
HZ-it#Sense
Hz-de#Sense
Hz-en#Sense
Hertz-en#Sense
Hertz-fr#Sense
Hz-it#Sense
HZ-en#Sense
HZ-de#Sense