1. An imperative for, and current progress toward, national traffic monitoring standards.;Albright D.;Inst. of Transp. Engrs.,1991
2. Box P. C. and Oppenlander J. C. (1976). Manual of traffic engineering studies 4th Ed. Inst. of Transp. Engrs. Arlington Va. 35–39.
3. DeGarmo E. P. Sullivan W. G. and Canada J. R. (1984). Engineering economy . Macmillan Publishing Co. New York N.Y. 264–266.
4. Garber N. J. and Hoel L. A. (1988). Traffic and highway engineering . West Publishing Co. New York N.Y. 97–118.
5. Haykin S. (1994). Neural networks: a comprehensive foundation . Maxwell MacMillan Toronto Ontario Canada.