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|a 0807604534
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|a AR-PmUNPB
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|a 004.21
|2 20
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| 100 |
1 |
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|a Bertalanffy, Ludwing von
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| 245 |
1 |
0 |
|a General system theory /
|c Ludwing von Bertalanffy
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| 260 |
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|a Estados Unidos :
|b Braziller George,
|c 1995
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| 300 |
|
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|a 295 p.
|
| 590 |
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|a Registros migrados a formato MARC
|
| 650 |
|
7 |
|a COMPUTACION
|2 Unescot
|9 2148
|
| 650 |
|
7 |
|a INGENIERIA
|2 Unescot
|9 3788
|
| 650 |
|
4 |
|a TEORIA DE SISTEMAS
|
| 942 |
|
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|c BK
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| 999 |
|
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|c 80111
|d 80111
|