000 00309nam a2200133Ia 4500
008 221221s9999 xx 000 0 und d
082 _a511
_bROS/D
100 _aRosen, Kenneth H
245 0 _aDiscrete Mathematics And Its Applications
250 _a6
260 _bRai
650 _aMathematics
942 _cBK
999 _c8889
_d8889