skosConcept prefLabel altLabel
http://data.europa.eu/949/concepts/nominal-track-gauges/eratv/1000mm 
"1000mm"
http://data.europa.eu/949/concepts/nominal-track-gauges/eratv/1435mm 
"1435mm"
http://data.europa.eu/949/concepts/nominal-track-gauges/eratv/1520mm 
"1520mm"
http://data.europa.eu/949/concepts/nominal-track-gauges/eratv/1524mm 
"1524mm"
http://data.europa.eu/949/concepts/nominal-track-gauges/eratv/1600mm 
"1600mm"
http://data.europa.eu/949/concepts/nominal-track-gauges/eratv/1668mm 
"1668mm"