Recognition distances and understanding of legends on an experimental motorway signal

ग्रंथसूची विवरण
मुख्य लेखक: Rutley, K. S.
अन्य लेखक: Webb, P. J. (joint author.)
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: Crowthorne, [Eng.] Transport and Road Research Laboratory 1979.
श्रृंखला:Supplementary report - Transport and Road Research Laboratory 500