Instructions for airway meteorological service/
Corporate Authors: | , |
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Format: | Book |
Language: | English |
Published: |
Washington:
U. S. G. P. O.,
1939
|
Edition: | 4th |
Series: | Circular N
|
Subjects: |
Item Description: | "Effective June 1, 1939." |
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Physical Description: | viii, 157 p. : ill., tab., plat., folded pages ; 27 cm. |
Bibliography: | Includes index |