Davidson, Martin <br/><br/>
Elements of mathematical astronomy :  with a brief exposition of relativity / 
Martin Davidson ; revised by Cameron Dinwoodie 
 - 3rd rev.ed. 
 - London :  Hutchinson,  1962 
 - 276 p. :  ill. ;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Mathematics<br/>Relativity (Physics)
<br/><br/><label>Dewey Class. No.: </label>520.151