Collins dictionary of astronomy 
Daintith, John. 
 -  HarperCollins  Publishers,  2006 
 - 517 p. ;. 
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<br/><br/><label>ISBN: </label>978-0-00-791848-5 
<br/><br/><label>Dewey Class. No.: </label>R 520.3 D1339 2006