Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Attaque d'agents extérieurs-fr#Sense
Ataque de agentes exteriores-pt#Sense
Inwerking van stoffen van buitenaf-nl#Sense
Attack by external agents-en#Sense
Påvirkning fra ydre faktorer-da#Sense
Attacco da parte di agenti esterni-it#Sense
Korrosion-de#Sense