000 00499nam a2200217Ia 4500
008 140520s9999||||xx |||||||||||||| ||und||
082 _a372.7
082 _bHed/Spe
100 _aHeddnes, James W.
245 _aToday's Mathematics : Concepts And Methods In Elementary School Mathematics
250 _a7
260 _aNew York
260 _bMacmillan
260 _c1992
300 _axi;656
300 _bpb
300 _c8x11
350 _a0
365 _b1679.92
365 _dRuppes
999 _c62585
_d62585