1 Wigan, M. R. Cullinan, M. C. Australian Road Research Board. Image processing applied to roads : surface, texture, mensuration, vehicle shape and number detection / by M.R. Wigan and M.C. Cullinan Vermont South, Vic. : 1987 Australian Road Research Board 48 p. : 0869102850 0869102842 Limited distribution. Bibliography: p. 33-35.