Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3606002
Is Reference of Halbwertschicht-de#Sense
Halvværdi-lag-da#Sense
Épaisseur moitié-fr#Sense
Half-value layer-en#Sense
Επίστρωση υποδιπλασιασμού-el#Sense
Strato semivalente-it#Sense
Semiespesor-es#Sense
Espessura metade-pt#Sense
Espesor mitad-es#Sense