TY  - BOOK
AU  - Wallis,W.D.
AU  - Street,A.P.
AU  - Wallis,J.S.
TI  - Combinatorics: room squares, sum-free sets, hadamard matrices
T2  - Lecture notes in mathematics
SN  - 3540060359 (paperback)
U1  - 511.6 22
PY  - 2009///
CY  - [S.l.]
PB  - Springer
KW  - Combinatorial analysis
KW  - Hadamard matrices
ER  -