Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3606002
Is Reference of Isotones-en#Sense
Isotonen-nl#Sense
Nucléides isotones-fr#Sense
Isotone-de#Sense
Ισότονα νουκλε ίδια-el#Sense
Isotoni-it#Sense