000 00360 a2200145 4500
020 _a0070701695
082 _a510
_bWIL
090 _c7302
_d10154
100 _aWiitala, Stephen A.
245 _aDiscrete mathematics
_ba unified approach
260 _aNew York
_bMcGraw - Hill
_c1987
_g1987
300 _axi, 448p.
_c25cm.
650 _aMathematics
942 _cL
999 _c36017
_d36017