1. Boray JC (1969) Experimental fascioliasis in Australia. Adv Parasitol 7:95?210
2. Borchert A (1962) Lehrbuch der Parasitologie für Tierärzte, 3. Aufl. S. Hirzel-Verlag, Leipzig
3. Coyle IJ (1961) The epidemiology ofFasciola gigantica in cattle in Uganda Protectorate. Thesis cited in: EL Taylor (1964) Fascioliasis and the liver fluke. FAO Agricultural Studies No 64 ? Rome
4. El Harith AE (1977) Observation on the influence of the intermediate host in experimental fascioliasis. Thesis Utrecht, The Netherlands
5. Jansen J, Over HJ (1963) On a remarkable strain ofFasciola hepatica in the Netherlands. Tijdschr Diergenessk 88:770?775