Railway Heritage and Industrial Archaeology in Spain and Portugal
From 1968, Dr. Hans-Peter Bärtschi made visits to dilapidated railway sites and documented their steam locomotives and trams. On the occasion of the international congress of industrial archaeology in 1992, he held sppeeches in Barcelona and Madrid. In 2002, he guided a group trip for SGTI (Swiss Society for History of Technology and Industrial Heritage) to industrial and railway sites in Catalonia, in 2007, he was invited to Ponferrada as a consultant.
Further information and references:
Industriekultur Schweiz - Europa – Global (German)
p. 62 - 65