The Biological Barrier
| First published | November 1949 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| November 1949 | Fantastic Adventures, November 1949 | Ziff-Davis Publishing Company | MAGAZINE | 64 |
| 1950 | Fantastic Adventures Quarterly, Spring 1950 | Ziff-Davis Publishing Company | MAGAZINE | 64|1064 |