Humic substances, their structure and function in the biosphere proceedings of an international meeting held at Nieuwersluis, the Netherlands, May 29-31, 1972
| Erakunde egilea: | |
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| Beste egile batzuk: | , |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Wageningen
Centre for Agricultural Pub. and Documentation
1975.
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| Gaiak: |


