Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/36
Is Reference of Halvrum-da#Sense
Demi-espace-fr#Sense
Meio semi-infinito-pt#Sense
Half-space-en#Sense
Halfsferische ruimte-nl#Sense
Medio semiinfinito-es#Sense
Ημίχωρος-el#Sense
Semispazio-it#Sense
Hemisfeer-nl#Sense