Morton, Tami B. <br/><br/>
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Tami B. Morton 
 - Essex:  Pearson Education Limited,  2004. 
 - 16 p.: 
<br/><br/><label>ISBN: </label>9780582841031 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>681.4123