000 00320nam a2200145Ia 4500
020 _a060226460X
082 _bT-2218
_a510
100 _a"RUTH MERTTENS"
245 0 _aABACUS NUMBERS 3 TEXT BOOK 2
260 _c1996
300 _a64
944 _cTB
999 _c276170
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