Demonstration, Part 3
| First published | April 1958 |
|---|---|
| Type | Essay |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| April 1958 | Astounding Science Fiction, April 1958 | Street & Smith Publications, Inc. | MAGAZINE | 6 |
| July 1958 | Astounding Science Fiction, July 1958 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 2 |