G. Gardner (TRRL), P.R. Cornwell & J.A. Cracknell (Taffic & Transport Consultants Ltd) 1991 34 p.



« https://www.transit.dot.gov/sites/fta.dot.gov/files/docs/CBRT.pdf
« https://www.sciencedirect.com/science/article/pii/S2095756415305766
« https://www.researchgate.net/publication/248987169_On_the_capacity_of_bus_transit_systems
« https://onlinelibrary.wiley.com/doi/epdf/10.1002/atr.1225
« https://lume.ufrgs.br/bitstream/handle/10183/65653/000857890.pdf?sequence=1
« https://www.bettertransport.info/Rail_or_Buses_in_Seattle_Tunnel.pdf
« https://amslaurea.unibo.it/id/eprint/4704/1/giusti_sara_tesi.pdf
