Dixon, Robert T. <br/><br/>
Dynamic astronomy 
Robert T. Dixon 
 - 3d ed 
 - Englewood Cliffs, N.J.  Prentice-Hall  c1980 
 - xv, 524 p., [4] leaves of plates  ill.  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>520