Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Sichtverhältnisse-de#Sense
Sigtbarhedsforhold-da#Sense
Conditions de visibilité-fr#Sense
Sichtbedingungen-de#Sense
Zicht-nl#Sense
Visibility conditions-en#Sense
Συνθήκες ορατότητας-el#Sense
Condiciones de visibilidad-es#Sense
Condizioni di visibilità-it#Sense
Condições de visibilidade-pt#Sense