Synopsis
A scientific consensus is beginning to form around the theory that an asteroid impact 65 million years ago caused the mass extinction of species which included the dinosaurs.
Publications (3)
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| June 1981 |
|
The Magazine of Fantasy & Science Fiction, June 1981 | Mercury Press, Inc. | MAGAZINE | 132 |
| January 1983 |
|
Counting the Eons | Doubleday | Nonfiction | 40 |
| 1984 |
|
Counting the Eons | Granada | Nonfiction | 40 |