Manual of traffic signal design

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Ngā kaituhi matua: Kell, James H (Author), Fullerton, Iris J (Author)
Kaituhi rangatōpū: ITE (Author)
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Englewood Cliffs Prentice-Hall 1982
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