Bell, Robert J. T. <br/><br/>
An elementary treatise on co-ordinate geometry of three dimensions 
Robert J. T. Bell                                            
 - 3rd ed. 
 - London  Macmillan  1966 
 - xviii, 377p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Change of Axes<br/>Cone<br/>Confocal Conicodes<br/>Projections<br/>Sphere
<br/><br/><label>Universal Decimal Class. No.: </label>516  / BEL