| اقتباس | Freyhof, J., 2002. Freshwater fish diversity in Germany, threats and species extinction. pp. 1-22 In M.J. Collares-Pereira, I.G. Cowx and M.M. Coelho. Conservation of Freshwater Fishes: Options for the Future. Fishing New Books. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 83311 |
| اللغة | English |
| استخدام | used in part |
| ملاحظات | |
| ستجد هذا المرجع في | Google Scholar | Scirus | Species used from this reference |