Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/4026
Is Reference of Imposibil-ro#Sense
Dodhéanta-ga#Sense
Kivitelezhetetlen-hu#Sense
Imprattikabbli-mt#Sense
Niewykonalne w praktyce-pl#Sense
Impracticable-en#Sense
Ανέφικτο-el#Sense
Dofheidhmithe-ga#Sense