Stanley J. Penkala
2 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| August 1966 | 173|173.1 | Essay | Letter (Analog, August 1966) | Analog Science Fiction -> Science Fact, August 1966 |
| December 1966 | 166 | Essay | Letter (Analog, December 1966) | Analog Science Fiction -> Science Fact, December 1966 |