Transportation economics; a conference of the Universities-National Bureau Committee for Economic Research.
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| フォーマット: | 図書 |
| 言語: | English |
| 出版事項: |
New York
National Bureau of Econ. Res. : distributed by Columbia Univ. Press
[c1965]
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| シリーズ: | National Bureau of Econ. REs. Special conference series, 17
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| 主題: |