Visibility studies of symbols used for traffic and pedestrian control lanterns /

Antzeko izenburuak

• Traffic control devices and highway visibility /
  nork: National Research Council (United States). Transportation Research Board
  Argitaratua: (1992)
• Manual on traffic control devices : traffic signs/
  nork: Malaysia. Kementerian Kerja Raya. Jabatan Kerja Raya
  Argitaratua: (1980)
• Manual of traffic control devices : standard traffic signs /
  nork: Malaysia. Kementerian Kerja Raya. Jabatan Kerja Raya
  Argitaratua: (1985)
• Manual on traffic control devices : standard traffic signs /
  nork: Malaysia. Kementerian Kerja Raya. Jabatan Kerja Raya
  Argitaratua: (1985)
• A comparison of road traffic signal controllers using simulation techniques
  nork: 2526 Pak Poy and Associates
  Argitaratua: (1975)