Sagan, Carl <br/><br/>
Murmurs of earth 
Carl Sagan                                                 
 - London  Hodder and Stoughton  1978 
 - 273p. 
<br/><br/><label>ISBN: </label>0-340-24423-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>Astronomy and astrophysics thesaurus<br/>Earth
<br/><br/><label>Universal Decimal Class. No.: </label>52  / SAG