Progress report on maintenance and operations personnel.

Λεπτομέρειες βιβλιογραφικής εγγραφής
Συλλογικό Έργο:	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
Μορφή:	Βιβλίο
Γλώσσα:	Αγγλικά
Έκδοση:	Washington, D.C. Transportation Research Board 1984.
Σειρά:	Transportation Research Circular Number 270
Θέματα:	Highway engineers > United States. Highway departments > United States. Road construction workers > United States. Roads > United States > Maintenance and repair.