Research problem statements

Detalhes bibliográficos
Autor Corporativo:	National Research Council (U.S.). Transportation Research Board
Formato:	Livro
Idioma:	English
Publicado em:	Washington, D.C. The Board 1980.
Colecção:	Transportation Research Circular Number 217
Assuntos:	Highway research > United States. Roads > Design and construction. > Research > United States.