Askwith, E. H. <br/><br/>
The analytical geometry of the conic sections. 

 - 3rd ed. 
 - London :  A & C. Black,  [1961] 
<br/><br/> First published in this ed. in 1927. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Analytic -- Plane.--Geometry, Analytic -- Plane.