000 00297nam a2200133Ia 4500
008 221030s9999 xx 000 0 und d
041 _aEnglish
082 _a105.23
100 _aN. Dean
245 4 _aThe Essence of Discrete Mthematics
_cby N. Dean
260 _c0
650 _aB
942 _cBK
999 _c10675
_d10675