Hart, Walter W, et al. <br/><br/>
Plane geometry and supplements 

 -  D C Heath & Co., Boston  1959 
 - 454 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane analytic geometry
<br/><br/><label>Dewey Class. No.: </label>PG 516.32  HAR-P