1. Nematode parasites of domestic animals and of man;Levine,1980
2. Helminths, arthropods and protozoa of domesticated animals;Soulsby,1982
3. Parasitology and vector biology;Marquarat,2000
4. The future of anthelmintics in sustainable parasite control programs for livestock;Waller;Helmithologia,2003
5. Treatment vs. non-treatment of helminth infections in cattle: defining the threshold;Vercruysse;Vet Parasit,2001