Walker R <br/><br/>
Cartesian and projective Geometry 
Walker R 
 -  1953 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>24306 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B6:7, J33