Travelers' services research problem statements.

Travelers' services research problem statements.

书目详细资料
企业作者: National Research Council (U.S.). Transportation Research Board. Committee A3B05
格式: 图书
语言:English
出版: Washington, DC Transportation Research Board, National Research Council [1990]
丛编:Transportation Research Circular Number 358
主题:
Roadside rest areas > Research.
Truck parking > Research.
Highway communications > Research.
Signs and signboards > Research.