Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6411005
Is Reference of Hertz-es#Sense
Hertz-it#Sense
Hz-it#Sense
Hz-fr#Sense
Hz-en#Sense
Hertzio-es#Sense
Hertz-da#Sense
Hz-es#Sense
Hertz-de#Sense
Hertz-fr#Sense
Hz-da#Sense
Hertz-en#Sense
Hertz-pt#Sense
Hz-pt#Sense