%0 Journal Article
%T Visibility of traffic control devices: catering for the real observer
%J Ergonomics
%D 1976
%A Johnston, A. W.
%A Cole, Barry L.
%A Jacobs, R. J.
%A Gibson, A. J.
%V 19
%N 5
%P 591-609
%X Abstract unavailable.
%G 
%I Informa - Taylor and Francis Group
%@ 0014-0139
%U http://dx.doi.org/