Sullivan, Walter <br/><br/>
We Are Not Alone   The Continuing Search for Extraterrestrial Intelligence 

 - New York  Penguin Books  1993 
 - 354p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>0452272246     0 
<br/><br/><label>Dewey Class. No.: </label>Q13  / SU531