Author: None indicated
WPS IV Toronto 2004
Paul G Höglund, Transforsk-Transearch, Nordplan AB, Stockholm, Sweden. WPS III St. Andrews 2001
Author: Bram van Luipen, Knowledge platform VERDI, The Netherlands, with thanks to Niek Bosch, Goudappel Coffeng, The Netherlands
WPS III St. Andrews 2001
The “Green”Transportation Problem in Context and Likely Policy Responses
Author: Bernard PATRICE, Centre d'Etudes Techniques de l'Equipement Nord-Picardie.
WPS II Banff 1999
Author: Bragi Árnason, Science Institute, University of Iceland
WPS III St Andrews 2001