Smith, Charles <br/><br/>
Elementary treatise on conic sections by the methods of co-ordinate geometry 

 -  Macmillan & Co. Ltd., London  1948 
 - 449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane analytic geometry
<br/><br/><label>Dewey Class. No.: </label>516.32  SMI-E