000 00306nam a2200133Ia 4500
008 150502s9999||||xx |||||||||||||| ||und||
082 _a511.3 BER
100 _aBernard Kolman
245 _aDiscrete Mathematical Structure
250 _a2001
300 _a511.3 BER
600 _aMath
942 _2ddc
_cBK
999 _c10670
_d10670