Nigam, A.K. . <br/><br/>
Characterizations and Analysis of Block Designs /  Textual Documents 
A.K. Nigam, P.D. Puri & V. K. Gupta. 
 - 1st ed. / 
 - New Delhi :  Wiley Eastern ,  C 1988. 
 - v, 176p. ;  22cm. 
<br/><br/>Bib, Index 
<br/><br/><label>ISBN: </label>81-224-0057-4  Rs 55.00 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics Block Designs-Analysis PG-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>519.54  / Ni 56 Ch