Letter (Astounding, February 1947): Well, If the NACA Is Sure of It—
| First published | February 1947 |
|---|---|
| Type | Essay |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1947 |
|
Astounding Science Fiction, February 1947 | Street & Smith Publications, Inc. | MAGAZINE | 95|95.1 |