Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Zona no contaminada-es#Sense
Zona esente-it#Sense
Freiheit eines Gebiets von Schadorganismen-de#Sense
Areal freedom-en#Sense
Zona indemne-pt#Sense
Απαλλαγμένη ζώνη-el#Sense
Τοπική ελευθερία-el#Sense
Zone exempte-fr#Sense
Sygdomsfrit areal-da#Sense