000 00393nam a22001697a 4500
999 _c11100
_d11100
003 OSt
008 220215b ||||| |||| 00| 0 eng d
020 _a9789353433055
082 _a510 GRD
100 _aGRIMALDI,Ralph P
245 _aDiscrete and Combinatorial Mathematics
250 _a5th
260 _aNew Delhi
_bPearson
_c2020
300 _aMISC
650 _aBCA
942 _2ddc
_cBK