Unmanned space missions 
edited by Erik Gregersen                                       
 - New York  Britannica  2010 
 - 209p. 
<br/><br/><label>ISBN: </label>978-1-61530-018-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space flights - popular works<br/>Space probes - popular works
<br/><br/><label>Universal Decimal Class. No.: </label>629.78  / UNM