Trigg, Roger. <br/><br/>
Shaping of man  philosophical aspects of sociobiology. 
by Roger Trigg. 
 - New York  Schocken Books  1982 
 - xx, 186p 
<br/><br/><label>ISBN: </label>0805238409 
<br/><br/><label>Dewey Class. No.: </label>301.042  / N82;1