1. Canadian Urban Transit Association.: Bus Rapid Transit: A Canadian perspective, Issues Paper #10. CUTA, Toronto (2004)
2. Cornwell, P., Cracknell, J.: The Case for Busway Transit, PTRC 18th Summer Annual Meeting (1990) (This paper is a summary of TRL Research Report 329 and Overseas Road Note 12 of the Transport Research Laboratory, Berkshire, UK)
3. De Leeuw, J.:The Gifi system of nonlinear multivariate analysis. In: Diday, E. et al. (eds.) Data Analysis and Informatics, IV: Proceedings of the Fourth International Symposium. North Holland, Amsterdam (1985)
4. Edwards, M., Mackett, R.L.: Developing new urban public transport systems: an irrational decision-making process. Transp. Policy 3, 225–239 (1996)
5. Federal Transit Administration: Characteristics of Bus Rapid Transit for Decision Making, FTA-VA-26-7222-2004.1, US Department of Transportation, Washington DC (2004)