Traffic signs manual : introduction /

Geahča maid

• Traffic signs manual /
  Dahkki: Great Britain. Department of the Environment
  Almmustuhtton: (1966)
• Manual on traffic control devices : traffic sign applications/
  Dahkki: Malaysia. Kementerian Kerja Raya. Jabatan Kerja Raya
  Almmustuhtton: (1985)
• Report of the Traffic Signs Committee
  Dahkki: 10298 Great Britain. Ministry of Transport. Traffic Sign Committee
  Almmustuhtton: (1963)
• Road traffic : the traffic signs regulations and general dorections 1975
  Dahkki: 994 Great Britain
  Almmustuhtton: (1975)
• A comparison of different ways of increasing traffic sign conspicuity /
  Dahkki: 275497 Cooper, B. R., et al.
  Almmustuhtton: (1988)