The genesis of animal play testing the limits / [electronic resource] :
Gordon M. Burghardt.
- Cambridge, Mass. : MIT Press, c2005.
- xvi, 501 p. : ill. ; 24 cm.
"A Bradford book."
Includes bibliographical references (p. [407]-460).
Electronic reproduction. Palo Alto, Calif. : ebrary, 2009. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.
Play behavior in animals. Play. Behavior evolution.