000 00288nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
100 _aLiu C.L
245 0 _aElements Disrete Mathematics
260 _aNew Delhi
_bMc Graw Hill
_c2001
300 _a627p
942 _cGB
999 _c30341
_d30341