Research problem statements operation, safety and maintenance of transportation facilities.

التفاصيل البيبلوغرافية
مؤلف مشترك:	National Research Council (U.S.). Transportation Research Board
التنسيق:	كتاب
اللغة:	English
منشور في:	Washington, D.C. Transportation Research Board, National Research Council [1990]
سلاسل:	Transportation Research Circular Number 364
الموضوعات:	Highway engineering > Research. Buses > Maintenance and repair > Research. Road machinery > Maintenance and repair > Research. Pavements > Maintenance and repair > Research.