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|a AR-LpUBP
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| 100 |
1 |
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|a Guedes, Oscar J.
|9 34800
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| 245 |
1 |
0 |
|a Caracterización de los minerales de la arcilla de tres perfiles de suelos de la Región Chaqueña
|
| 260 |
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|a Buenos Aires :
|b Instituto de Suelos y Agrotecnia,
|c 1966.
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| 300 |
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|a 16 p. :
|b il. ;
|c 18 cm.
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| 490 |
0 |
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|a Revista de investigaciones agropecuarias ;
|v Seie 3. Vol 3
|
| 700 |
1 |
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|a Pécora, Edgardo J.
|e colab.
|9 46310
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| 942 |
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|c BK
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|y BK
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|c 55766
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|c 34
|d Miguel Kiperszmid
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| 997 |
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|z a
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