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Porpoise,dolphin and small whale fisheries of the world Status and problems
| Prif Awdur: | |
|---|---|
| Fformat: | Printed Book |
| Iaith: | English |
| Cyhoeddwyd: |
Switzerland
International Union for Conservation of Nature and Natural Resources
1975
|
| Cyfres: | IUCN Monograph
3 |
| Disgrifiad Corfforoll: | 129p. |
|---|