Cartoon: "Working with Hafnium which has a half-life of 35 seconds."
| First published | April 1991 |
|---|---|
| Type | Interior Art |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1991 |
|
The Magazine of Fantasy & Science Fiction, April 1991 | Mercury Press, Inc. | MAGAZINE | 162 |