Shostak, Seth. <br/><br/>
Cosmic company :  the search for life in the universe / 
Seth Shostak, Alex Barnett. 
 - [S.l.] :  Cambridge University Press,  2003. 
 - 168 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>0521822335 9780521822336 
<br/><br/><label>Dewey Class. No.: </label>576.839