James, B. L.; Bowers, E. A. (1967). The effects of parasitism by the daughter sporocyst of Cercaria bucephalopsis haimaena Lacaze-Duthiers, 1854, on the digestive tubules of the cockle, Cardium edule L. Parasitology. 57 (1): 67–77.
The effects of parasitism by the daughter sporocyst of Cercaria bucephalopsis haimaena Lacaze-Duthiers, 1854, on the digestive tubules of the cockle, Cardium edule L