Maintenance of rural roads: principles of a road maintenance management system;
Maintenance of rural roads: principles of a road maintenance management system;
a report prepared by an OECD road research group, August 1973.
- 171 pages : illustrations ; 27 cm
- Road research .
9264111077
74157430
F***
Rural roads--Maintenance and repair.
TE220 / .O73 1972
9264111077
74157430
F***
Rural roads--Maintenance and repair.
TE220 / .O73 1972