Smiling bears a zookeeper explores the behavior and emotional life of bears / [electronic resource] :
Else Poulsen ; foreword by Stephen Herrero.
- Vancouver : Greystone Books, c2009.
- xxvii, 236 p.
Includes bibliographical endnotes and index.
Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries.