National airport system plan.
| New Title: | National plan of integrated airport systems |
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| Corporate Author: | |
| Format: | Government Document Serial |
| Language: | English |
| Subjects: | |
| Online Availability: |
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| Published: | 1972- |
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| Item Description: | Revised statistics 1980-1989. |
| Physical Description: | volumes : illustrations ; 29 cm. |
| ISSN: | 0161-3103 |