Nand,Brahma  <br/><br/>
Co-Ordinate Solid Geometry  
by Brahma Nand and B.S.Tyagi , Bhu Dev Sharma  
 - Delhi   Kedar Nath Ram Nath  
 - 614p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>516.3  / NAN