Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Sporvidde-da#Sense
Largeur de voie-fr#Sense
Spoorwijdte-nl#Sense
Spurweite des Gleises-de#Sense
Gauge of railway-en#Sense
Scartamenti del binario-it#Sense
Εύρος σιδηροδρομικής γραμμής-el#Sense