Demonstration, Part I
| First published | December 1957 |
|---|---|
| Type | Essay |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| December 1957 | Astounding Science Fiction, December 1957 | Street & Smith Publications, Inc. | MAGAZINE | 5 |
| April 1958 | Astounding Science Fiction, April 1958 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 2 |