Our Inhabited Universe: X - A Planet in Doubt
| First published | December 1952 |
|---|---|
| Type | Essay |
| Series | Our Inhabited Universe #10 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| December 1952 |
|
Thrilling Wonder Stories, December 1952 | Standard Magazines, Inc. | MAGAZINE | 44 |
| 1956 |
|
Enigmas, Num. 7 | Proteo | MAGAZINE | 119 |