000			00000nam a2200000 a 4500
005			20251203091724.0
020			_a0071005447
082			_a511, _bD, LIY
100			_aLiu C.L.
245			_aElements of discrete mathematics
250			_a2nd ed.
260			_aNew York _bMcGraw-Hill _c1985
300			_axiv,433p, 22cm
490			_aMcGraw-Hill Computer Science series
690			_aComibnatorial analysis
690			_aAlgebra, Abstract
964			_beng _c _d _e _f _g_
997			_a72206 C
999			_c50342 _d50342