000 00333nam a2200145Ia 4500
020 _a0395577411
082 _b4002
_a510
100 _a"Lockwood Aufmann Barker"
245 0 _aBasic Mathematics
260 _bHOUGHTON
_aUSA
_c1991
300 _a162
944 _cBK
999 _c396729
_d396729