2FFOLLIOTT P F, FISHER J T, SACHS M, ET AL. Role of demonstration projects in combating desertification [ J ]. Journal of Arid Environments, 1998 (39): 155-163.
3HEYMA A, ZWANEVELD P, KORVER W. The determination of success factors in European demonstration projects for new propulsion systems and transport concepts [ J ]. Transportation Research Part D, 2001 (6) : 1 -20.
4KORVER W, RIEMERSMA I, HEYMA A, ET AL. UTOPIA: overview of Dutch demonstration projects of new environmentally friendly transport and propulsion systems [ Z ]. Delft, TNO report Inro/ VVG, 1998, 20 (in Dutch).
5UTOPIA. Deliverable 6A--summaries of case studies UTOPIA [ Z ].Delft, TNO report Inro/VVG, 1999, 21.
6ZWANEVELD P J, HEYMA A, KORVER W, ET AL. Deliverable D2--overview of promising transport modes related to new propulsion systems [Z]. Delft, TNO report Inro/VVG, 1998, 21.
