(1979). Public transport: Proceedings of Seminar K held at the PTRC Summer Annual Meeting at the University of Warwick, England from 9-12 July 1979. Warwick: Planning and Transport Research and Computation PTRC Education and Research Services.
Παραπομπή Chicago StylePublic Transport: Proceedings of Seminar K Held At the PTRC Summer Annual Meeting At the University of Warwick, England From 9-12 July 1979. Warwick: Planning and Transport Research and Computation PTRC Education and Research Services, 1979.
Παραπομπή MLAPublic Transport: Proceedings of Seminar K Held At the PTRC Summer Annual Meeting At the University of Warwick, England From 9-12 July 1979. Warwick: Planning and Transport Research and Computation PTRC Education and Research Services, 1979.