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

Sonraí bibleagrafaíochta
Údar corparáideach:	National Research Council (U.S.). Transportation Research Board
Formáid:	LEABHAR
Teanga:	Béarla
Foilsithe / Cruthaithe:	Washington, D.C. Transportation Research Board, National Research Council [1990]
Sraith:	Transportation Research Circular Number 364
Ábhair:	Highway engineering > Research. Buses > Maintenance and repair > Research. Road machinery > Maintenance and repair > Research. Pavements > Maintenance and repair > Research.