Methods for assessment of fish production in fresh waters
| Awduron Eraill: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
Oxford
Published for the International Biological Programme by Blackwell Scientific Publications
c1968.
|
| Cyfres: | IBP handbook
No.3. |
| Pynciau: |