Estadisticas : Sustainability, efficiency, and competitiveness in rail mobility: The adif-spain case study García-Aranda J.R. Visitas:245 141 ( Estados Unidos de América ) 39 ( Singapur ) 19 ( Hong kong ) 16 ( Reino Unido ) 11 ( Irlanda ) 7 ( Letonia ) 5 ( Alemania ) 4 ( Rusia ) 1 ( China ) 1 ( Ecuador ) 1 ( Austria ) Descargas: 68
141 ( Estados Unidos de América ) 
39 ( Singapur ) 
19 ( Hong kong ) 
16 ( Reino Unido ) 
11 ( Irlanda ) 
7 ( Letonia ) 
5 ( Alemania ) 
4 ( Rusia ) 
1 ( China ) 
1 ( Ecuador ) 
1 ( Austria )