000 00452nam a22001817a 4500
003 CEME
005 20210628205355.0
008 210305b xxu||||| |||| 00| 0 eng d
020 _a0-7167-2314-X
040 _c.
082 _a793.74 SHA'C
100 _aShasha, Dennis
_975208
245 _aCodes puzzles and conspiracy
260 _aNEWYORK
_bW. H. FREEMAN
_c1992
300 _a242P
650 _aMATHEMATICAL REACTIONS
_975209
942 _cBK
_2ddc
999 _c580672
_d580672