Singer Peter <br/><br/>
Expanding circle    ethics and sociobiology 

 - Oxford  OUP         1981 
 - xii,190p.  cm. 
<br/><br/><label>Standard No.: </label>72,286 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL ETHICS
<br/><br/><label>Dewey Class. No.: </label>R43, M1