The Unchanging Amount
| First published | October 1991 |
|---|---|
| Type | Essay |
| Series | Asimov's Essays: F&SF |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| October 1991 |
|
The Magazine of Fantasy & Science Fiction, October-November 1991 | Mercury Press, Inc. | MAGAZINE | 188 |