Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Nevykonateľný-sk#Sense
Impraticable-fr#Sense
Impracticable-en#Sense
Nem lehetséges-hu#Sense
Μη πραγματοποιήσιμος-el#Sense
Unwegsam-de#Sense
Ungangbar-de#Sense
Neįmanomas-lt#Sense
Ufremkommelig-da#Sense
Neizvedljiv-sl#Sense
Onbegaanbaar-nl#Sense