Christensen, Lars Lindberg <br/><br/>
Hidden universe 
Lindberg Christensen, Robert Fosbury and Robert Hurt. 
 - Weinheim  Wiley-VCH  2009 
 - 145p. 
<br/><br/><label>ISBN: </label>978-3-527-40866-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History of astronomy<br/>Popular astronomy<br/>Telescopes
<br/><br/><label>Universal Decimal Class. No.: </label>524.8  / CHR