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Asociaţia Internaţională de Astacologie >>> web site |
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Freshwater Crayfish - jurnalul astacologilor >>> web site |
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Crayfish News >>> web site |
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| Freshwater Crayfish Forum >>> web site | |
| Craynet >>> web site | |
| Lista Roşie IUCN a Speciilor Ameninţate >>> web site | |
| Fauna Europaea >>> web site | |
| Forum Flusskrebse >>> web site | |
| West University of Timisoara Crayfish Research Centre >>> web site | |
| The Global Invasive Species Database >>> web site | |