| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Ecology and Behaviour of North American Black Bears: Home Ranges, Habitat and Social Organization | Hardcover | 978-0-412-57990-5 (0-412-57990-1) | 1996 | R.A. Powell · J.W. Zimmerman · C. Powell |
| Ecology and Behaviour of North American Black Bears: Home Ranges, Habitat and Social Organization | Paperback | 978-0-412-78830-7 (0-412-78830-6) | 1996 | R. A. Powell · etc. · John W. Zimmerman |