1. Barth , D. Sutherland , I.H. 1983 Proceedings of the 12th World Veterinary Congress. 14
2. Dermatologic disease of the horses. Part 1. Parasitic dermatoses;Fadok;Comp. cont. Educ. Pract. Vet.,1983
3. Efficacy of abamectin against ectoparasites of cattle;Heinze-Mutz;Vet. Rec.,1993