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050426s1977 xxu||||| |||| 10| 0 eng d |
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|a 0125173504
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|a AR-BaUFA
|c AR-BaUFA
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| 090 |
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|a B 631.4 NEW
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| 100 |
1 |
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|a Newton, W.
|9 77420
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| 245 |
0 |
0 |
|a Recent developments in nitrogen fixation
|
| 260 |
|
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|a London
|b Academic Press
|c 1977
|
| 300 |
|
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|a 622 p.
|b il.
|
| 650 |
|
0 |
|a MICROORGANISMOS DEL SUELO
|2 agrovoc
|9 10730
|
| 650 |
|
0 |
|a FIJACION DEL NITROGENO
|2 Agrovoc
|9 1443
|
| 650 |
|
0 |
|a BIOQUIMICA
|2 Agrovoc
|9 15
|
| 650 |
|
4 |
|a SUELO
|2 Agrovoc
|9 72168
|
| 650 |
|
0 |
|a PROPIEDADES FISICO - QUIMICAS SUELO
|2 Agrovoc
|9 89
|
| 700 |
1 |
|
|a Postgate, John.
|e ed.
|9 4272
|
| 700 |
1 |
|
|a Rodríguez Barrueco, C.
|e ed.
|9 77421
|
| 710 |
2 |
|
|a Consejo Superior de Investigaciones Científicas
|9 14723
|
| 710 |
2 |
|
|a Universidad de Salamanca
|9 14724
|
| 710 |
2 |
|
|a Charles F. Kettering Foundation
|9 14725
|
| 711 |
0 |
|
|a International Symposia on Nitrogen Fixation
|n (2:
|d 13-17 Sept. 1976:
|c Salamanca, ES)
|9 14726
|
| 942 |
0 |
0 |
|c CONGR14D
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| 976 |
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|a AAG
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| 976 |
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| 903 |
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|a 20060830
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| 904 |
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|a OK
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| 904 |
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|a REUNION
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| 908 |
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|a IMPRESO
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| 910 |
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| 911 |
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|a 13-17 Sept. 1976
|
| 917 |
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|a GM
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| 917 |
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| 924 |
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|a Recent developments in nitrogen fixation
|
| 928 |
|
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|a Newton
|
| 928 |
|
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|a Postgate
|
| 928 |
|
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|a Rodríguez Barrueco
|
| 941 |
|
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|a Salamanca
|
| 945 |
|
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|a 1977
|
| 948 |
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|a US
|
| 950 |
|
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|a en
|
| 965 |
|
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|a MICROORGANISMOS DEL SUELO
|
| 965 |
|
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|a FIJACION DEL NITROGENO
|
| 965 |
|
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|a BIOQUIMICA
|
| 965 |
|
|
|a SUELO
|
| 965 |
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|a PROPIEDADES FISICO-QUIMICAS SUELO
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| 977 |
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