Duffett Peter Smith <br/><br/>
Practical astronomy with your calculator 
Duffett Peter Smith 
 - 2 
 - Cambridge  University Press          1981 
 - xiii, 188p.  cm. 
<br/><br/><label>Standard No.: </label>25007 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy mathematics
<br/><br/><label>Dewey Class. No.: </label>B9, M1