O'Connor, J. F. (James F.)., Riccio, A. H. (Alexander H.)., United States. Urban Mass Transportation Administration. Office of Technology Development and Deployment. (1978). Field testing of a pulse trilateration automatic vehicle monitoring system in Philadelphia. Washington, D.C.: The Administration .MLA Citation
O'Connor, J. F. (James F.), A. H. (Alexander H.) Riccio, and United States. Urban Mass Transportation Administration. Office of Technology Development and Deployment. Field Testing of a Pulse Trilateration Automatic Vehicle Monitoring System In Philadelphia. Washington, D.C.: The Administration , 1978.
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