LINKS
National Statistics Institute (INE)
Cantabrian Statistics Institute (ICANE)
National Geographic Institute (IGN)
Spanish Spatial Database (IDEE)
Library net of Spanish Universities (REBIUN)
Library of University of Cantabria
Hispanic scientific digital library (DIALNET)
Spanish Road Association (SRA)
Association for European Transport (AET)
World Conference onTransport Research Society (WCTRS)
Spanish Geographers Professional Association
Geographers Professional Association in Cantabria
Spanish Civil Engineers Professional Association
Spanish Civil Engineers Professional Association in Cantabria
Railway Infrastructures Administrations (ADIF)