| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1967 |
|
Analog Science Fiction -> Science Fact, February 1967 | Condé Nast | MAGAZINE | 71 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| February 1967 |
|
Analog Science Fiction -> Science Fact, February 1967 | Condé Nast | MAGAZINE | 71 |