.maintenance of rural roads:principles of a road maintenance management system;a report preparedborganization for economic coopertion and development
Furkejuvvon:
| Váldodahkki: | |
|---|---|
| Materiálatiipa: | Girji |
| Giella: | meroštallameahttun |
| Almmustuhtton: |
1st ed. | .Paris
1973
|
| Fáddágilkorat: |
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| Govvádus ii leat oažžumis. |