Organization for continuing transportation planning; a report of a conference held by the Highway Research Board on November 14-18, 1971, at Mt. Pocono, Pennsylvania, under the sponsorship of the Office of the Assistant Secretary for Environment and Urban Systems, the Federal Highway Administration of the U.S. Department of Transportation, the Highway Users Federation for Safety and Mobility, and Automative Safety Foundation.
| Συλλογικό Έργο: | , |
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| Μορφή: | Βιβλίο |
| Γλώσσα: | English |
| Έκδοση: |
Washington
1973n.
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| Σειρά: | Its special report 139
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| Θέματα: |