The Analytical Laboratory: July 1939 (Astounding, September 1939)
| First published | September 1939 |
|---|---|
| Type | Essay |
Publications (1)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| September 1939 | Astounding Science-Fiction, September 1939 | Street & Smith Publications, Inc. | MAGAZINE | 32 |