A Darwinian Left  : Politics, Evolution and Cooperation   	 
/ Peter Singer 
 - 1a ed.  
 - London :   Weidenfeld & Nicolson,    1999 
 - ix, 70 p. ;	   19 cm.  
<br/><br/> # 1066 Donacion: Juan Alvarez Cienfuegos 25/ FEB./2020 
<br/><br/><label>ISBN: </label>0297643363 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolución humana <br/>Ciencias Políticas 
<br/><br/><label>LC Class. No.: </label>HM631  / S56 1999