Riddle, Douglas F. <br/><br/>
Analytic geometry / 
Douglas F. Riddle. 
 - 6th ed. 
 - Boston :  PWS Pub. Co,  c1996. 
 - xvii, 473 p. : ill. 
<br/><br/> Includes appendices and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Analytic