000 00436nam a22001697a 4500
008 140403b xxu||||| |||| 00| 0 eng d
020 _a0174384963
040 _aBSU
_cBSU
_dBSU
082 _221
_a510DEF
100 _aDeff, John
_918834
245 _aMathematical games
_cJohn Deff
260 _aSurrey
_bThomas Nelson
_c1987
300 _a120p.;
_bill.
_c22cm
650 _2Mathematical games
658 _aMathematics
942 _2ddc
_cBK
999 _c9132
_d9132