Durell, Clement V. <br/><br/>
A Concise Geometrical Conics  

 - London :   Macmillan,   1941 
 - XVI, 99 p.  : ill 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Conciese Geometry
<br/><br/><label>Dewey Class. No.: </label>516.15  / DUR