1. EBSF Objectives (2012) EBSF Homepage.
www.ebsf.eu/
2. Jansson K (1997) Welfare aspects of the organization of passenger transport. Int J Transp Econ 24:11–33
3. Kottenhoff, K., (1999) Evaluation of Passenger Train Concepts, Div. of Traffic and Transport Planning, Royal Institute of Technology, KTH, Dissertation ISRN KTH/IP/FR-99/48-SE
4. Nash CA (1978) Management objectives, fares and service levels in bus transport. J Transp Econ Policy 12:70–85
5. Stahl A (1998) Service routes or low floor buses? In: Proceedings of 8th international conference on transport and mobility for elderly and disabled people, Perth, Australia