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008 190711s9999 xx 000 0 und d
020 _a3540673989
082 _a512 B561
100 _aBEST,E.
245 0 _aPERRI NET ALGEBRA
260 _aBERLIN
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300 _axi+378p;24X16Cms.
942 _cBK
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999 _c33001
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