Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/4816
Is Reference of ΣΣ-el#Sense
Rc-fr#Sense
Cr-en#Sense
Rail conventionnel-fr#Sense
Συμβατικός σιδηρόδρομος-el#Sense
Conventional Rail-en#Sense