Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6821
Is Reference of Ângulo de largura efetiva -pt#Sense
Angle de largeur effective-fr#Sense
Angolo di larghezza effettiva-it#Sense
Ενεργή γωνία πλάτους-el#Sense
Effective width angle-en#Sense
Effektiver Breitenwinkel-de#Sense
Effektiv breddevinkel-da#Sense
Ángulo efectivo de anchura-es#Sense
Effektieve breedtehoek-nl#Sense