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024 _a11748
037 _cTextual
040 _aSDCL
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041 _2eng
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082 _aX:8, L5
100 _aSchoderbek Peter P
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245 0 _aManagement systems conceptual considerations
260 _c1975
700 _a Kefalas Asterios
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942 _hX:8, L5
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