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