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170901s1984 ag r 000 0 spa d |
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|a AR-CrUNPB
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0 |
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|a 575.7/E.18
|2 20
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100 |
1 |
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|a Ehrlich, Anne H.
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700 |
1 |
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|a Ehrlich, Paul R.
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700 |
1 |
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|a Aira, Cesar
|e tr
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245 |
1 |
0 |
|a Extincion :
|b causas y consecuencias de la desaparicion de las especies /
|c Anne H. Ehrlich
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255 |
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|a .7
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260 |
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|a Buenos Aires :
|b Editorial Fraterna,
|c 1984
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300 |
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|a 404 p
|
590 |
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|a Registros migrados a formato MARC
|
650 |
|
7 |
|a GENETICA
|2 Unescot
|9 3427
|
650 |
|
4 |
|a ORIGEN DE LAS ESPECIES
|
942 |
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|c BK
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910 |
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|a lg041203
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999 |
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|c 70934
|d 70934
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