Changes in legal vehicle weights and dimensions some economic effects on highways
Awduron Eraill: | |
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Fformat: | Llyfr |
Iaith: | English |
Cyhoeddwyd: |
Washington, D.C.
Highway Research Board, National Research Council
1973.
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Cyfres: | Report (National Cooperative Highway Research Program)
141. |
Pynciau: |