SHARMA ,A.K <br/><br/>
TEXT BOOK OF 3-D CONICOIDS 

 - NEW DELHI  DPH  2005 
 - 289p.,22X14Cms. 
<br/><br/><label>ISBN: </label>8171419968 
<br/><br/><label>Dewey Class. No.: </label>621.3819537 S531