Unknown Author
Asier Perallos
Nina Milne
National Committee on Uniform Traffic Control (Canada)
S. Gregory Hatcher
Daniel J. Dailey
Larry Gunshol
M. Zarean
Mark P. Haselkorn
P. Green
Jack Rudman
National Research Council (US)
National Research Council (U.S.). Highway Research Board.
United States. Dept. of Transportation.
Ben Gianni
Vehicle Navigation and Information Systems Conference (1991 Dearborn, Mich.)
Campbell, J. L.
Joseph S. Sussman