Alta velocidad ferroviaria y ancho «estándar» – Spanish original
English translation – High-speed railways and «standard» gauge
Miquel Biada i Bunyol
Isambard Kingdom Brunel
http://en.wikipedia.org/wiki/Isambard_Kingdom_Brunel
http://www.brunel.ac.uk/about/history/isambard-kingdom-brunel
Lord Dalhousie
https://en.wikipedia.org/wiki/James_Broun-Ramsay,_1st_Marquess_of_Dalhousie
Carl Abraham Pihl
http://en.wikipedia.org/wiki/Carl_Abraham_Pihl
George Stephenson
http://en.wikipedia.org/wiki/George_Stephenson
Robert Stephenson
http://en.wikipedia.org/wiki/Robert_Stephenson
Juan Subercase Krets
http://www.albaiges.com/ingenieros/10sXIX-e.htm#marcnom03
Sid Urry
http://www.brunel.ac.uk/about/history/memories-of-brunel
Rail gauge – http://en.wikipedia.org/wiki/Rail_gauge
Break-of-gauge – http://en.wikipedia.org/wiki/Break-of-gauge
Timeline of railway history – http://en.wikipedia.org/wiki/Timeline_of_railway_history
Rail gauge in Great Britain – The Battle of the Gauges –
Rail gauge in the United States – http://en.wikipedia.org/wiki/Rail_transport_in_the_United_States#Rail_gauge_selection
Rail gauge in Canada – http://en.wikipedia.org/wiki/Rail_gauge_in_Canada
Rail gauge in Australia – http://en.wikipedia.org/wiki/Rail_gauge_in_Australia#First_lines
Brunel’s broad gauge – http://en.wikipedia.org/wiki/Broad_gauge
CAP or Cape gauge – http://en.wikipedia.org/wiki/Cape_gauge
Iberian gauge – http://en.wikipedia.org/wiki/Iberian_gauge
Indian gauge – http://en.wikipedia.org/wiki/Indian_gauge
Irish gauge – http://en.wikipedia.org/wiki/Irish_gauge
Metre gauge – http://en.wikipedia.org/wiki/Metre_gauge
Minimum gauge – http://en.wikipedia.org/wiki/Minimum_gauge
Narrow gauge – http://en.wikipedia.org/wiki/Narrow_gauge
Portuguese gauge – http://en.wikipedia.org/wiki/Iberian_gauge
«Roman gauge» – http://www.grijalvo.com/A_Trevor_Hodge/Roman_roads_gauge.htm
Russian gauge – http://en.wikipedia.org/wiki/Russian_gauge
Scotch gauge – http://en.wikipedia.org/wiki/Scottish_gauge
Spanish gauge – http://en.wikipedia.org/wiki/Iberian_gauge
Standard gauge – http://en.wikipedia.org/wiki/Standard_gauge
List of rail gauges – http://en.wikipedia.org/wiki/List_of_rail_gauges
Links – The Broad Gauge in the World…
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