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    Economic Characteristics of Privately Owned Shared-Ride Taxi Systems

    F. W. Davis / K. W. Heathington / R. T. Symons et al. | NTIS | 1974

    An Organizational and Environmental Review of Two Privately Owned, Shared Ride Taxi Systems

    K. W. Heathington / F. W. Davis / S. C. Griese et al. | NTIS | 1974

    Public Transportation Planning and Development

    T. J. Tardiff / F. W. Davis / L. F. Cunningham et al. | NTIS | 1979

    An Analysis of the Demand for Bus and Shared-Ride Taxi Service in Two Smaller Urban Areas

    D. P. Middendorf / K. W. Heathington / F. W. Davis | NTIS | 1975

    A Preliminary Analysis of Two Shared-Ride Taxi Systems

    F. W. Davis / K. W. Heathington / S. C. Griese et al. | NTIS | 1973