Hardin, Garrett <br/><br/>
Exploring new ethics for survival: the voyage of the spaceship beagle / 
Hardin, Garrett. 
 - Baltimore:  Penguin books,  1972. 
 - 273p;22cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8173994878 
<br/><br/><label>Dewey Class. No.: </label>301.32