Publications (2)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| September 1960 | Astounding/Analog Science Fact & Fiction, September 1960 | Street & Smith Publications, Inc. | MAGAZINE | 153 |
| January 1961 | Astounding/Analog Science Fact & Fiction, January 1961 | Atlas Publishing and Distribution Co. Ltd | MAGAZINE | 121|121.1 |