Reports on roads and transport planning in tropical and sub-tropical countries
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Crowthorne, [Eng.]
Transport and Road Research Laboratory
1979.
|
| Rhifyn: | 2d rev. |
| Cyfres: | Supplementary report - Transport and Road Research Laboratory
no. 162 Rev.2 |