Nagar,A.L. <br/><br/>
Basic statistics/ 
A.L.Nagar. 
 - 2nd 
 - New Delhi:  Oxford university,  1985. 
 - 442 P. 
<br/><br/><label>ISBN: </label>0195615549 
<br/><br/><label>Dewey Class. No.: </label>519.5  / NAG/B