SIGMA: Summing Up Speculation
| First published | September 2012 |
|---|---|
| Type | Essay |
| Series | Science Fact (Analog) |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 2012 |
|
Analog Science Fiction and Fact, September 2012 | Dell Magazines | MAGAZINE | 38 |