Durell, Clement V.. <br/><br/>
A Concise Geometry Conics /  Textual Documents 
Clement V.Durell. 
 - 1st ed. / 
 - London :  Macmillan and co ,  1927. 
 - 98p. :  ill ;  20cm . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Geometry G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>513.22  / D 933 C