TY  - BOOK
AU  - Nigam, A. K
ED  - Puri, P. D
ED  - Gupta V. K
TI  - Characterizations and analysis of block designs
U1  - 519.5 
PY  - 1988///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Block Designs
ER  -