000 00296nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _bCAT
100 _aCathcart, W. George
245 0 _aLearning Mathematics in Elementary Middle School
260 _bMerrill
_c2000
300 _a434
942 _cBK
999 _c2104
_d2104