Sonin, M. D. (1985). Key to identification of trematodes of piscivorous birds of the Palaearctic (Brachylaimida, Clinostomida, Cyclocoelida, Fasciolida, Notocotylida, Plagiorchida, Schistosomatida). Nauka, Moscow, 256 pp. (In Russian).
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Sonin, M. D..
1985
Key to identification of trematodes of piscivorous birds of the Palaearctic (Brachylaimida, Clinostomida, Cyclocoelida, Fasciolida, Notocotylida, Plagiorchida, Schistosomatida).
