1. Land Vehicle Navigation—A Worldwide Perspective
2. 2"Automatic VehicleMonitoring Program Digest," Urban MassTransit Administration Report DOT-TSC-UMTA-81-11, April 1981.
3. 3Rothblatt,M. A.,Radiodetermination Satellite ServicesandStandards, Artech House, Boston, 1987.
4. The Evolving Roles of Vehicular Navigation