Dewick, Paul M. <br/><br/>
ory of block designs 

 - New Delhi  Wiley  1986 
 - 299p. 
<br/><br/><label>ISBN: </label> RS 60.00 
<br/><br/><label>Source: </label> RS 60.00 
<br/><br/><label>Dewey Class. No.: </label>519.5 DEY