Ratledge, David <br/><br/>
Observing the caldwell objects 
David Ratledge                                              
 - London  Springer-Verlag  2000 
 - v, 245p. 
<br/><br/><label>ISBN: </label>1-85233-628-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>Nebulae<br/>Stars
<br/><br/><label>Universal Decimal Class. No.: </label>524.5  / RAT