Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Aktivitet-sv#Sense
Ενεργότητα-el#Sense
Aktiivisuus-fi#Sense
Actividade-pt#Sense
Kerneaktivitet-da#Sense
Actividad (nuclear)-es#Sense
Actividade nuclear-pt#Sense
Radiactividad-es#Sense
Activiteit(kern-)-nl#Sense
Attività nucleare-it#Sense
Activity(nuclear)-en#Sense
Radiaktivität-de#Sense
Activité(nucléaire)-fr#Sense