Recognition distances and understanding of legends on an experimental motorway signal

Manylion Llyfryddiaeth
Prif Awdur: Rutley, K. S.
Awduron Eraill: Webb, P. J. (joint author.)
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Crowthorne, [Eng.] Transport and Road Research Laboratory 1979.
Cyfres:Supplementary report - Transport and Road Research Laboratory 500