Spain, Barry <br/><br/>
Analytical conics 
Barry Spain 
 - Dover ed 
 - Mineola, NY  Dover Publications  2007 
 - ix, 145 p. ; 22 cm 
<br/><br/> Originally published: London ; New York : Pergamon Press, 1957, in series: International series of monographs in pure and applied mathematics ; v. 3. Includes index 
<br/><br/><label>ISBN: </label>9780486457734 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conic sections
<br/><br/><label>Dewey Class. No.: </label>516.152 SPA