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| 020 | _a354007015X | ||
| 037 | _cGeneral Book | ||
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_aRTL _cRTL _beng |
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_2eng _aeng |
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| 082 | _aX:(B3), 122L4 | ||
| 100 |
_aBECKMANN M _9239030 |
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| 245 | 0 | _aLecture notes in economics and mathematical systems | |
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_aBerlin _bSpringer-Verlag _c1974 |
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| 300 |
_a243p _ccm. |
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| 700 |
_a KUNZI H P _9151346 |
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_hX:(B3), 122L4 _cGB _2CC |
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_c482174 _d482174 |
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