ABLON,LEON J. <br/><br/>
Quadratic Equations and curves 

 - 2nd 
 - California  The benjamin/cummings publish  ing company1981 
 - xii, 144 p 
<br/><br/><label>ISBN: </label>805301356 
<br/><br/><label>Dewey Class. No.: </label>512.9