Institutional reasons for not implementing PPPs in the transport sectorWiden, Kristian; Lember, VeikoCost action TU1001 public private partnerships in transport : trends & theory, 2011 discussion papers2012 / p. 108-121

The emergence of transport PPPs : context and driversDewulf, G.; Lember, VeikoCost action TU1001 public private partnerships in transport : trends & theory, 2011 discussion papers2012 / p. 138-150