Research problem statements

Библиографические подробности
Соавтор:	National Research Council (U.S.). Transportation Research Board
Формат:	‌
Язык:	English
Опубликовано:	Washington, D.C. The Board 1980.
Серии:	Transportation Research Circular Number 217
Предметы:	Highway research > United States. Roads > Design and construction. > Research > United States.