Transportation and Communication.
| Autor: | Rich, Edgar J. (AUTHOR), Lippincott, Isaac (AUTHOR), Ruogles, C. O.1 (AUTHOR) |
|---|---|
| Zdroj: | American Economic Review. Dec22, Vol. 12 Issue 4, p635-640. 6p. |
| Databáze: | Business Source Ultimate |
| Externí odkaz: |
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| Autor: | Rich, Edgar J. (AUTHOR), Lippincott, Isaac (AUTHOR), Ruogles, C. O.1 (AUTHOR) |
|---|---|
| Zdroj: | American Economic Review. Dec22, Vol. 12 Issue 4, p635-640. 6p. |
| Databáze: | Business Source Ultimate |
| Externí odkaz: |
|