Hester, Jeff <br/><br/>
21st century astronomy 
Jeff Hester...[et.al] 
 - 3rd ed 
 - New York  Norton  2010 
 - xxxv, 651p 
<br/><br/><label>ISBN: </label>9780393931983 
<br/><br/><label>Subjects--Index Terms: </label>Astronomy 
<br/><br/><label>Universal Decimal Class. No.: </label>52  / HES