Piasecki, W., A. Sekowska-Jakubowska & E. Sobecka. (2006). Comparative description of males of two species of Achtheres von Nordmann, 1832 (Copepoda: Siphonostomatoida: Lernaeopodidae) infecting zander and European perch. Folia Parasitologia, Praha 53(3):211-216.
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Piasecki, W., A. Sekowska-Jakubowska & E. Sobecka
2006
Comparative description of males of two species of Achtheres von Nordmann, 1832 (Copepoda: Siphonostomatoida: Lernaeopodidae) infecting zander and European perch.