Das M N <br/><br/>
Circular designs 
Das M N 
 - New Delhi  Institute of agricultural research statistics    1959 
<br/><br/><label>Standard No.: </label>352,025 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS
<br/><br/><label>Dewey Class. No.: </label>B28(J), J9