Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6621
Is Reference of Nucleo atomico-it#Sense
Núcleo atómico-es#Sense
Núcleo atómico-pt#Sense
Noyau atomique-fr#Sense
Atomic nucleus-en#Sense
Atomkern-de#Sense