D.A. · Derek V. Ager · Derek Victor Ager · V. A.
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Principles of Paleoecology | Textbook Binding | 978-0-07-000535-8 (0-07-000535-4) | 1963 |
| The nature of the stratigraphical record | Paperback | 978-0-470-27052-3 (0-470-27052-7) | 1981 |
| The nature of the stratigraphical record | Hardcover | 978-0-470-00937-6 (0-470-00937-3) | 1973 |