Waal, Frans De. <br/><br/>
Primates and philosophers : how morality evolved /  
by Frans De Waal... et al. ; edited and introduced by Stephen Macedo and Josiah Ober. 
 - /   . 
 - New Jersey :   Princeton University press ,   2009. 
 - xix,209p. :   ills.,figs.,tables ;   22cm .  
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780691141299  USD15.95 
<br/><br/><label>Subjects--Index Terms: </label>PRIMATES-BEHAVIOR ETHICS, EVOLUTIONARY 
<br/><br/><label>Dewey Class. No.: </label>171.7  / WAA/P