000 00339nam a2200145Ia 4500
020 _a0000000000
082 _bT-686
_a510
100 _a"Rucker, Walter E."
245 0 _aHeath Mathematics
260 _bD.C. Heath and Company
_aUSA
_c1979
300 _a348
944 _cTR
999 _c65877
_d65877