000 00380nam a2200157Ia 4500
008 221030s9999 xx 000 0 und d
020 _a8120311892
041 _aEnglish
082 _a105.23
_bDea
100 _aN. Dean
245 4 _aThe Essence of Discrete Mathematics
_cby N. Dean
260 _bPHI
_aNew Delhi
_c1997
300 _a197
650 _aBE Mathematics
942 _cBK
999 _c7026
_d7026