Progress report on maintenance and operations personnel.

Xehetasun bibliografikoak
Egile korporatiboa:	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
Formatua:	Liburua
Hizkuntza:	ingelesa
Argitaratua:	Washington, D.C. Transportation Research Board 1984.
Saila:	Transportation Research Circular Number 270
Gaiak:	Highway engineers > United States. Highway departments > United States. Road construction workers > United States. Roads > United States > Maintenance and repair.