Transportation economics; a conference of the Universities-National Bureau Committee for Economic Research.
| Collectivité auteur: | |
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| Format: | Livre | 
| Langue: | English | 
| Publié: | New York
          National Bureau of Econ. Res. : distributed by Columbia Univ. Press
    
        [c1965] | 
| Collection: | National Bureau of Econ. REs. Special conference series, 17 | 
| Sujets: |