Baras, John S., Levine, William S., "Filtering Techniques For Urban Traffic Data", 1976 Conference on Decision and Control (CDC), pp. 1297-1298, Clearwater, Florida, December 1976
Baras, John S., Levine, William S., "Filtering and Prediction Algorithms for Urban Traffic Control Systems", 4th Intersociety Conference on Transportation, pp. 1-17, Los Angeles, California, July 18-24, 1976