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146083 documents found.

Colors of signal lights : their selection, definition, measurement, production, and use. Bookreview.

Published: | Breckenridge, F.C.

Contrast interpretation of brightness constancy.

Published: | Freeman Jr., R.B.

Crossing gate control

Published: | -

Crossing protection at low cost.

Published: | -

Driver comprehension of traffic signs and marking. Paper presented to Arizona-New Mexico Branch of the Western Section, Institute of Traffic Engineers, Albuquerque, New Mexico, March 31, 1967.

Published: | Reilly, W.R. & Woods, D.L.

Much ado about the null hypothesis.

Published: | Wilson, W. Miller, H.L. Lower, J.S.

Spatial analysis : a reader in statistical geography.

Published: | Marble, D.F. Berry, B.J.L.

Theories of the psychological refractory period.

Published: | Smith, M.C.

Virginia highway signing. Phase I: Driver awareness of sign colors and shapes.

Published: | Ferguson, S. & Cook, K.E.

Volume warrants for left-turn lanes at unsignalized grade intersections.

Published: | Harmelink, M.D.