Roy, A. E. <br/><br/>
Astronomy  principles and practice 
A. E. Roy and D. Clarke                                                
 - 4th ed. 
 - Bristol  Institute of Physics  2003 
 - xxiii, 475p. 
<br/><br/><label>ISBN: </label>0-7503-0917-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>Astrophysics
<br/><br/><label>Universal Decimal Class. No.: </label>52  / ROY