000 00362 a2200145 4500
020 _a0070381313
082 _a511
_bLIU
090 _c7531
_d10469
100 _aLiu, C.L.
245 _aElements of discrete mathematics
260 _aNew York
_bMcGraw - Hill
_c1977
_g1977
300 _ax, 294p.
_c25cm.
650 _aGeneral principles of mathematics
942 _cL
999 _c36237
_d36237