Linden, Eugene. <br/><br/>
Ces singes qui parlent / 
by Eugene Linden. 
 - Paris :  Seuil,  1979. 
 - 313 p. : ;  21 cm. 
 - Science ouverte .
 - Science ouverte .
<br/><br/> This book is in French. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chimpanzees--Behavior.<br/>Human-animal communication.<br/>Sign language.