Vía Libre Railway Research - Technical Publications in electronic format.

Vía Libre Technical Collection
	FFE Research. Memory of artícles, publications and conferences, 2009-2010. (spanish).		Vía Libre Technical Railway Research. Articles Collection Nº 1. (spanish)		Double track in Spain and the direction of movement of the trains through it. (spanish)		Technical Papers. Telecommunications and Railway. (spanish)
	Automatic Track Gauge Changeover for Trains in Spain. (english)		Operation in passenger trains. Keys to the advanced management of the railway. Part I. (spanish)