What Is a Machine?
| First published | September 1956 |
|---|---|
| Type | Essay |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| September 1956 | Astounding Science Fiction, September 1956 | Street & Smith Publications, Inc. | MAGAZINE | 102 |
| February 1957 | Astounding Science Fiction, February 1957 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 93 |