The new highways challenges to the metropolitan region.
| Awduron Corfforaethol: | , |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Washington, D.C.
[s.n.]
1957.
|
| Cyfres: | Technical bulletin-urban Land Institute
no.31 |
| Pynciau: |