DR.RATAN MOHAN  KHAN <br/><br/>
ANALYTICAL GEOMETRY OF TWO AND THREE DIMENSIONS AND VECTOR ANALYSIS 

 - calcutta  NEW CENTRAL BOOKS AGENCY  1991 
<br/><br/><label>ISBN: </label>81-7381-089-3 
<br/><br/><label>Dewey Class. No.: </label>516.3  / KHA/A