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2. Campana, L. D. R. (1986). An Analysis of the Effectiveness of Alternative Conventional Public Transit Configurations in a Dispersed Metropolitan Region: The Case Study of Los Angeles, unpublished M.A. thesis, Departments of Economics and Planning, University of Southern California.
3. DART (1987). Profile and Update of Dallas Area Rapid Transit. Dallas Area Rapid Transit District.
4. Gomez-Ibanez, J. A. (1985). The Dark Side of Light Rail. Journal of the American Planning Association.