Methods for assessment of fish production in fresh waters.
| Formatua: | Liburua |
|---|---|
| Argitaratua: |
London
International Biological Programme, 1968
1968
|
| Gaiak: |
| Formatua: | Liburua |
|---|---|
| Argitaratua: |
London
International Biological Programme, 1968
1968
|
| Gaiak: |