Bell, Robert J. T. <br/><br/>
An elementary treatise on coordinate geometry of three dimensions / 
Bell, Robert J. T. 
 - 3rd ed. 
 - xviii, 377 p. : ill. ; 22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>516