Hartley, Elizabeth Mary <br/><br/>
Cartesian geometry of the plane / 
E. M. Hartley. 
 - Cambridge:   University Press,   1966.  
 - 324 p. :  ill. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coordinates<br/>Geometry, Analytic--Plane
<br/><br/><label>Dewey Class. No.: </label>516.3