000 00248nam a2200109Ia 4500
020 _a0071126902
082 _a511.1
100 _aLIBSCHUTZ, SEYMOUR
245 _a2000 SOLVED PROBLEMS IN DISCRETE MATHEMATICS
260 _aND
_b MCG
_c1992
942 _cBK
999 _c4510
_d4510