1. Becker, K. & Kemper, H. (1964) Der Rattenk�nig. Eine monographische Studie. Zeitschrift f�r Angewandte Zoologie, 2, 1?99.
2. Brumpt, E. (1936) Pr�cis de parasitologie. 1st edition. Paris: 563 pp.
3. Cable, R.M. (1956) Marine cercariae of Puerto Rico. Scientific Survey of Porto Rico and the Virgin Islands, 16, 491?577.
4. Cable, R.M. (1963) Marine cercariae from Cura�ao and Jamaica. Zeitschrift f�r Parasitenkunde, 23, 429?469.
5. Cable, R.M. & McLean, R.A. (1943) The occurrence of Cercaria clausii Monticelli, a marine Rattenk�nig larval trematode, on the west coast of Florida. Notulae Naturae, 129, 1?7.