000 00264nam a2200109Ia 4500
008 161008s9999 xx 000 0 und d
100 _aWALLIS W D
245 _aBEGINNER'S GUIDE TO DISCRETE MATHEMATICS
260 _bBIRKHAUSER
_c2003
300 _a367
942 _cBK
999 _c43537
_d43537