Hours of darkness at altitude /
| Main Author: | |
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| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
Santa Monica, Calif. :
Rand Corporation,
[1951]
|
| Series: | Research memorandum (Rand Corporation) ;
no. 635. |
| Subjects: |
| Item Description: | "ASTIA document number ATI 210709." "19 June 1951." |
|---|---|
| Physical Description: | 15 leaves : illustrations ; 28 cm. |