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|a 84-475-0213-9
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035 |
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|a 078388
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040 |
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|a Sistema de Bibliotecas de la Universidad de Panamá
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082 |
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|a 574.5 M33t
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100 |
2 |
0 |
|a Margalef i López, Ramón
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245 |
1 |
0 |
|a Teoría de los sistemas ecológicos
|c / Ramón Margalef
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250 |
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|a 2a. ed
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260 |
0 |
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|a Barcelona
|b : Publicacions Universitat de Barcelona
|c , 1993.
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300 |
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|a 290 p.
|b : gráficas
|c ; 24 cm.
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490 |
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|a Estudi General
|v ; 1
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650 |
|
4 |
|a ECOLOGIA
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942 |
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|c BK
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999 |
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|c 33609
|d 33609
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952 |
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|1 0
|2 ddc
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|6 574_500000000000000_M33T
|7 0
|8 CG
|9 49815
|a 10
|b 10
|c 10
|d 2014-01-20
|o 574.5 M33t
|p 00026030
|r 2014-01-20
|t e.1
|w 2014-01-20
|y BK
|