1. Family Anoplocephalidae Cholodkovsky, 1902;Beveridge,1994
2. Helminths, arthropods, and protozoa of domesticated animals;Soulsby,1982
3. Helminths of domestic equids: illustrated keys to genera and species with emphasis on North American forms;Lichtenfels;Proc Helm Soc Wash,1975
4. Textbook of veterinary clinical parasitology;Soulsby,1965