| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Polar Bears: Proceedings of the Twelfth Working Meeting of the IUCN/SSC Polar Bear Specialist Group, 3-7 February 1997, Oslo, Norway | 978-2-8317-O459-3 (2-8317-O459-6) | 1999 | Andrew E. Derocher · etc. |
e.a. · et a · G. A. · G.E · G.W. · Gerald A. · Gerald E. · Gerald W. · W.A.