Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3606003
Is Reference of Curva envoltória-pt#Sense
Curva envolvente-es#Sense
Courbe enveloppe-fr#Sense
Umhuellungskurve-de#Sense
Envelope curve-en#Sense
Envelopkurva-sv#Sense
Περιβάλλουσα καμπύλη-el#Sense
Curva envelope-pt#Sense
Omhullingskromme-nl#Sense