TY  - BOOK
AU  - Nigam,A.K., Puri, P.D.
AU  - x
TI  - Characterizations & analysis of block desings: x
SN  - 8122400574
U1  - 310/N684c 
PY  - 1988///
CY  - New Delhi ; Calcutta
PB  - Wliley Eastern
KW  - Block designs
N1  - Includes
ER  -