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01423nam a2200577 a 4500 |
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110707s 1979ag ||||| |||| 00| 0 spa d |
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|a 8472141810
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|9 2481
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|a Ecología de los sistemas agrícolas
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|a Madrid
|b Blume
|c c1979
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300 |
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|a 320 p.
|b grafs., tbls.
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650 |
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650 |
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650 |
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924 |
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|a Ecología de los sistemas agrícolas
|t Ecología de los sistemas agrícolas
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928 |
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|a Spedding
|b C. R. W.
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945 |
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|a c1979
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948 |
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950 |
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965 |
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|a PRODUCCION
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965 |
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965 |
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965 |
|
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|a INVESTIGACION
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965 |
|
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|a SISTEMAS DE EXPLOTACION
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965 |
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|a ECOLOGIA
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976 |
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977 |
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984 |
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985 |
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987 |
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917 |
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|a GM
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917 |
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|a GM
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947 |
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|
915 |
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|e 320 p.
|i grafs., tbls.
|
975 |
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|c 631
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|z 1979
|
942 |
0 |
0 |
|c LIBRO14D
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999 |
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090 |
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|a 631 SPE e
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