Polar Bears: Proceedings of the Twelfth Working Meeting of the IUCN/SSC Polar Bear Specialist Group, 3-7 February 1997, Oslo, Norway

by: Andrew E. Derocher · etc. · Gerald W.et al Garner

Broché

details (France).

ISBN: 978-2-8317-0459-3

ISBN-10: 2-8317-0459-6

Union Internationale pour la Conservation de la Nature et de ses Ressources,Switzerland · 1999