Roy, A. E <br/><br/>
Astronomy : principles and practice 

 - 4th ed 
 - Bristol ; Philadelphia:  Institute of Physics Pub,  2003 
 - xxiii, 475 p. : ill. ; 25 cm 
<br/><br/><label>ISBN: </label>9780750309172 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>520 ROY