Berry, R. <br/><br/>
Build your own Telescope 
R. Berry                                                    
 - 3rd ed. 
 - USA  Willmann-Bell  2000 
 - xii, 283p. 
<br/><br/><label>ISBN: </label>0-943396-69-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dobsonian Reflector<br/>Telescope
<br/><br/><label>Universal Decimal Class. No.: </label>520.2  / BER