Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6826
Is Reference of Konvergierende Linse-de#Sense
Kupera linssi-fi#Sense
Συγκεντρωτικός φακός-el#Sense
Lente convergente-pt#Sense
Lente convergente-it#Sense
Positiv lins-sv#Sense
Lentille convergente-fr#Sense
Convergerende lens-nl#Sense
Lente convergente-es#Sense
Συγκλίνων φακός-el#Sense
Converging lens-en#Sense
Positive lens-en#Sense
Samlelinse-da#Sense
Kokoava linssi-fi#Sense