000 00359nam a2200145Ia 4500
020 _a0029461758
082 _b2114
_a510
100 _a"Richard Johnsonbaugh"
245 0 _aDiscrete Mathematics
260 _b,Macmillan Publishing Company
_aNew York
_c1984
300 _a480
944 _cBK
999 _c630684
_d630684