Duffett-Smith, Peter <br/><br/>
Practical astronomy with your calculator / 
Peter Duffett-Smith. 
 - Cambridge:   Cambridge University Press,   1979.  
 - xi, 129 p. :  ill. ;  21 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0521284112 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Problems, exercises, etc.<br/>Calculators
<br/><br/><label>Dewey Class. No.: </label>522.8