000 00273nam a2200121Ia 4500
082 _a511.3
100 _aLiu C L
_9211
245 0 _aElements of discrete mathematics_2nd Edition
250 _a2
260 _aTata Mcgraw Hill
_bNew Delhi
_c2002
650 _aAPS
_95
942 _cBK
999 _c473
_d473