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050426s1975 xxk||||| |||| 10| 0 eng d |
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|a 0 521 20708 8
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1 |
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|a Stewart, W. D. P.
|e ed.
|9 60874
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| 710 |
2 |
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|a International Biological Programme
|9 2829
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| 711 |
0 |
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|a Meeting on Nitrogen Fixation
|d Sept. 1973:
|c Edinburg, GB)
|9 14720
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| 245 |
0 |
0 |
|a Nitrogen fixation by free - living micro - organisms
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| 260 |
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|a Cambridge
|b Cambridge University Press
|c 1975
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| 300 |
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|a 471 p.
|b il.
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| 490 |
0 |
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|a International Biological Programme
|v 6
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| 650 |
|
0 |
|a MICROORGANISMOS DEL SUELO
|2 agrovoc
|9 10730
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| 650 |
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0 |
|a FIJACION DEL NITROGENO
|9 1443
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| 650 |
|
0 |
|a BACTERIA FIJADORA DEL NITROGENO
|9 1444
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| 650 |
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0 |
|a BIOQUIMICA
|9 15
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| 650 |
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0 |
|9 35
|a SUELO
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| 901 |
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|a 008982
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|a r
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|a 20050426
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|a 20060829
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|a OK
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|a CO
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|a m
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|a s
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|a REUNION
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|a IMPRESO
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|a 0 521 20708 8
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|a 6
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| 924 |
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|a Nitrogen fixation by free - living micro - organisms
|t Nitrogen fixation by free - living micro - organisms
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| 928 |
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|a Stewart
|b W. D. P.
|f ed.
|
| 936 |
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|t International Biological Programme
|
| 940 |
|
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|n Meeting on Nitrogen Fixation
|
| 941 |
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|a Edinburg
|l Edinburg
|p GB
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| 911 |
|
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|a Sept. 1973
|
| 945 |
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|a 1975
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| 948 |
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|a GB
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| 950 |
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|a en
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| 965 |
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|a MICROORGANISMOS DEL SUELO
|
| 965 |
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|a FIJACION DEL NITROGENO
|
| 965 |
|
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|a BACTERIA FIJADORA DEL NITROGENO
|
| 965 |
|
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|a BIOQUIMICA
|
| 965 |
|
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|a SUELO
|
| 976 |
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|a AAG
|
| 976 |
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|a AAG
|
| 977 |
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|a 011909
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| 984 |
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|a 1 ej.
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| 985 |
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|a PRE14
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| 987 |
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|a AGROVOC
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| 917 |
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|a GM
|
| 917 |
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|a VB
|
| 943 |
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|n International Biological Programme
|p GB
|s IBP
|
| 947 |
|
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|e Cambridge University Press
|l Cambridge
|
| 915 |
|
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|e 471 p.
|i il.
|
| 975 |
|
|
|c B 631.4
|l STE n
|z 1975
|
| 942 |
0 |
0 |
|c CONGR14D
|
| 999 |
|
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|c 6766
|d 6766
|
| 090 |
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|a B 631.4 STE n
|
| 830 |
|
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|a International Biological Programme
|9 2829
|