Transportation economics ; a conference of the Universities--National Bureau Committee for Economic Research.
| Egile korporatiboa: | , |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
New York, National Bureau of Econ. Res.
Columbia Univ. Press
[c1965]
|
| Saila: | National Bureau of Economic Res. Special conference series, o. 17
|
| Gaiak: |