Smith, Charles <br/><br/>
Elementary treatise on conic sections / 
Smith, Charles 
 -  Macmillan & Co. Ltd., London,  1962 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coordinate systems; Geometry; Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.16 SMI-E