Progress report on maintenance and operations personnel.

Sonraí bibleagrafaíochta
Údair chorparáideacha:	National Research Council (U.S.). Transportation Research Board. Committee on Maintenance and Operations Personnel, American Association of State Highway and Transportation Officials. Subcommittee on Maintenance
Formáid:	LEABHAR
Teanga:	Béarla
Foilsithe / Cruthaithe:	Washington, D.C. Transportation Research Board, National Academy of Sciences [1986]
Sraith:	Transportation Research Circular Number 301
Ábhair:	Road construction workers. Highway engineers. Highway departments > Employees.