TY  - BOOK
AU  - Dey, Aloke.
TI  - Theory of Block Designs / 
SN  - 0852261705
U1  - 519.57 
PY  - 1986///
CY  - .- New Delhi
PB  - : Wiley
KW  - Pure Sciences
KW  - Mathematics
KW  - Block Designs
ER  -