Smith, William John <br/><br/>
The behavior of communicating :  an ethological approach / 
W. John Smith 
 - Cambridge, Mass. :  Harvard University Press,  1977 
 - viii, 545 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography : p. 469-513 
<br/><br/><label>ISBN: </label>0674064658 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal communication