1. Baer, K.E.von (1827) Beitr�ge zur Kenntniss der neidern Tierre. Nova Acta Academiae Caesarea Leopoldino-Carolinae Germanicum Naturae Curiosorum, 13, 523?562.
2. Barysheva, A.F. & Bauer, O.N. (1957) [Fish parasites of Lake Ladoga.] Izvestiya Vsesoyuznogo Nauchno-Issledovatel'skogo Instituta Ozernogo i Rechnogo Rybnogo Khozyaistva, 42, 175?226. [In Russian: English translation in: Petruchevskii, G.K. (Ed.) Parasites and diseases of fish. Jerusalem: Israel Program for Scientific Translation (1961), 171?223].
3. Baturo, B. (1977) Bucephalus polymorphus Baer, 1827 and Rhipidocotyle illense (Ziegler, 1883) (Trematoda, Bucephalidae): morphology and biology of development stages. Acta Parasitica Polonica, 24, 203?220.
4. Baturo, B. (1979) Bucephalus Baer, 1827, and B. polymorphus Baer. 1827 (Trematoda); proposed use of the plenary powers to conserve these names in accordance with general use. Z.N.(S.) 2251. Bulletin of Zoological Nomenclature, 36, 30?36.
5. Chernogorenko, M.I. (1983) [Trematode larvae in molluscs of the Dnieper and its inland waters. Fauna and biology of its formation.] Kiev: ?Naukova Dumka?, 210pp. (In Russian).