Directory of the Transportation Research Board.
| Previous Title: | National Research Council. Highway Research Board. Directory |
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| Corporate Author: | |
| Format: | Serial |
| Language: | English |
| Published: |
Washington, D.C. :
National Research Council, Division of Engineering,
1974-1998.
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| Subjects: | |
| Online Availability: |
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| Published: | 1974-1998. |
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| Physical Description: | 23 volumes ; 25 cm. |
| Publication Frequency: | Annual |
| ISSN: | 0360-5078 |