A manual on methods for the assessment of secondary productivity in fresh waters
| Egile nagusia: | |
|---|---|
| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | ingelesa |
| Argitaratua: |
London
International Biological Programme
c1971.
|
| Saila: | IBP handbook No.17.
|
| Gaiak: |