Salmon, George  1819-1904 <br/><br/>
A Treatise on Conic Sections 

 - 6a. ed. 
 - New York :   Chelsea ; 
 - 399 p. ;   21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOMETRIA ANALITICA PLANA
<br/><br/><label>Universal Decimal Class. No.: </label>513.1