| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1975 |
|
Perry Rhodan #78: Power Key | Ace Books | MAGAZINE | 7 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 1975 |
|
Perry Rhodan #78: Power Key | Ace Books | MAGAZINE | 7 |