1. Generalised expressions for the minimum time interval between consecutive arrivals at an idealised railway station;Bergmann;Transportation Research,1972
2. Un bloc automatique de type nouveau fait du pre-Metro, une solution moderne au probleme des transports en commun dans les villes de moyenne importance;Brichaux,1974
3. Urban Rail Transit its Economies and Technology;Lang,1964
4. Applications of Queueing Theory;Newell,1971
5. Urban Railway Capacity in Peak Periods;Rice,1974