Savage-Rumbaugh, Sue E. <br/><br/>
Ape language  from conditioned response to symbol. 
by E. Sue Savage-Rumbaugh. 
 - Oxford  OUP  1986 
 - xxv, 433p 
 - Animal intelligence .
<br/><br/><label>Dewey Class. No.: </label>156.315  / N86