Research problem statements

Detaylı Bibliyografya
Müşterek Yazar:	National Research Council (U.S.). Transportation Research Board
Materyal Türü:	Kitap
Dil:	English
Baskı/Yayın Bilgisi:	Washington, D.C. The Board 1980.
Seri Bilgileri:	Transportation Research Circular Number 217
Konular:	Highway research > United States. Roads > Design and construction. > Research > United States.