Sagan, Carl. <br/><br/>
Intelligent in the universe /  

 - 1st.Edn. /  
 - San Francisco :   Holden-Day. 
 - xiv,509p :  
<br/><br/><label>ISBN: </label>0-8162-7913-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Universe
<br/><br/><label>Dewey Class. No.: </label>B9  / K6