Burghardt, Gordon M.,  1941- <br/><br/>
The genesis of animal play  testing the limits /  [electronic resource] : 
Gordon M. Burghardt. 
 - Cambridge, Mass. :  MIT Press,  c2005. 
 - xvi, 501 p. :  ill. 
<br/><br/> "A Bradford book." 
<br/><br/>Includes bibliographical references (p. [407]-460). 
<br/><br/><br/>Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries. 
<br/><br/><label>ISBN: </label>
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Play behavior in animals.<br/>Play.<br/>Behavior evolution.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QL763.5  / .B87 2005 
<br/><br/><label>Dewey Class. No.: </label>591.56/3