Loney, S.L. <br/><br/>
Elements of coordinate geometry  Pt.1. Cartessian coordinats. geometry 

 -  1960 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Coordinate<br/>Geometry
<br/><br/><label>Dewey Class. No.: </label>516.3  / L75E