1. Automatic Car Controls for Electronic Highways;General Motors;General Motors Corporation Research Laboratory Report GMR-276,1960
2. Heavy Vehicle Electronic License Plate (HELP) System;Schmitt;SAE Technical Paper Series 85-14-56,1985
3. Digital Maps on Compact Discs;Benning;SAE Technical Paper Series 86-01-25,1986
4. A Novel Approach to Automotive Navigation and Map Display;Honey,1985