Traffic research problem statements presented at the 31st annual meeting, January 14-18, 1952.

Traffic research problem statements presented at the 31st annual meeting, January 14-18, 1952.

Detaylı Bibliyografya
Müşterek Yazar: National Research Council (U.S.). Highway Research Board
Materyal Türü: Kitap
Dil:English
Baskı/Yayın Bilgisi: Washington, D.C. Highway Research Board 1952.
Konular:
Traffic regulations > Congresses.