000 00253nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aMittal (Harish)
245 0 _aDiscrete Mathematics
250 _a1
260 _bTECHMEDIA
942 _2ddc
_cSCIENCE
_01
999 _c19225
_d19225