Reversat, J.; Renaud, F.; Maillard, C. (1989). Biology of parasite populations: the differential specificity of the genus Helicometra Odhner, 1902 (Trematoda: Opecoelidae) in the mediterranean sea demonstrated by enzyme electrophoresis. International Journal for Parasitology. 19 (8): 885–890.
Biology of parasite populations: the differential specificity of the genus Helicometra Odhner, 1902 (Trematoda: Opecoelidae) in the mediterranean sea demonstrated by enzyme electrophoresis