Nigam, A. K <br/><br/>
Characterizations and analysis of block designs 
by A. K .Nigam, P .D .Puri and V .K. Gupta 
 - New Delhi  Wiley Eastern  1988 
 - v, 176p.; 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Block Designs
<br/><br/><label>Dewey Class. No.: </label>519.5  / NIG