Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6826
Is Reference of Ángulo de refracción-es#Sense
Brydningsvinkel-da#Sense
Ângulo de refracção-pt#Sense
Brekingshoek-nl#Sense
Brechungswinkel-de#Sense
Refraction angle-en#Sense
Angle de réfraction-fr#Sense
Brytningsvinkel-sv#Sense
Taitekulma-fi#Sense
Γωνία διάθλασης-el#Sense