000 00280nam a2200109Ia 4500
008 170707s9999 xx 000 0 und d
050 _a511 R828d
100 _a"Rosen, Kenneth H."
245 0 _aDiscrete mathematics and its applications
260 _c1999
942 _2lcc
_cBK
_kCirc.
999 _c13940
_d13940