000 00358nam a2200145Ia 4500
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245 4 _aThe School Mathematics Project : Teacher's Guide Foir Book E.
260 _aCambridge
260 _bCambridge University Press
260 _c1970
300 _ax, 357
350 _a0
365 _b0
365 _dRuppes
999 _c63311
_d63311