Ratledge, David <br/><br/>
Software and data for practical astronomers  the best of the Internet 
David Ratledge                                              
 - London  Springer-Verlag  1999 
 - viii, 183p. 
 - Practical astronomy .
<br/><br/><label>ISBN: </label>1-85233-055-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>Internet
<br/><br/><label>Universal Decimal Class. No.: </label>12:21.0  / RAT