000 00359nam a2200157Ia 4500
020 _a0000000000000
040 _cPK-LaCSN
082 _b845
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100 _a"MERTTENS, RUTH"
245 0 _aMathematic textbook 2
260 _bPEAK PUBLISHERS
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300 _a150
942 _2ddc
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999 _c744961
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