000 00617 a2200277 4500
001 130811
020 _a3-540-06035-93
041 _aeng
080 _a519.1 Wal
245 _aCombinatorics : room squares, sum-free sets, Hadamard matrices
250 _a
260 _aBerlin
260 _bSpringer-Verlag,
260 _c1972
300 _a505 p.
300 _c25 cm
490 _aBSI 1741 : part - 4 : 1987
100 _aWallis, W.D.
700 _aStreet, Anne Penfold
700 _aWallis, Jennifer Seberry
700 _a
650 _a
650 _aHadamard matrices
942 _cBK
942 _2UDC
999 _c118806
_d118806