Pedestrians and traffic-control measures / Charles V. Zegee-r, Sharon F. Zegeer.
Zegeer, Charles V.
Pedestrians and traffic-control measures / Charles V. Zegee-r, Sharon F. Zegeer. - Washington, D.C. : TRB - 76 p. - Synthesis of Highway Practice ; 139 / Transportation Resear-ch Board .
Pedestrians and traffic-control measures / Charles V. Zegee-r, Sharon F. Zegeer. - Washington, D.C. : TRB - 76 p. - Synthesis of Highway Practice ; 139 / Transportation Resear-ch Board .