Davidson, Martin <br/><br/>
Elements of mathematical astronomy: With a brief exposition of relativity / 
Davidson, Martin 
 - 3 ed. 
 -  Hutchison Scientific & Technical, London,  1962 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Theoretical astronomy
<br/><br/><label>Dewey Class. No.: </label>521 DAV-E3