Besant, W. H.  1828-1917 <br/><br/>
Conic Sections: Treated Geometrically :  and, George Bell and Sons Educational Catalogue 

 - 1 online resource :  multiple file formats 
<br/><br/> Release date is 2009-09-05 
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<br/><br/><label>Subjects--Index Terms: </label>Conic sections 
<br/><br/><label>LC Class. No.: </label>QA