References
- Levine , N. D. 1968 . Nematode Parasites of Domestic Animals and Man , Minneapolis : Burgess .
- Soulsby , E. I. L . 1965 . Textbook of Veterinary Clinical Parasitology Vol. 1. Helminths , Oxford : Blaclc-well .
- Stoican , E . 1953 . Ann. Inst. Path. Ig. Anim. Bucharest , 4 : 304 – 304 . (Quoted by Soulsby 1965)