1. Some effects of temperature on the development and activity of Haemonchus contortus;Conway;Cornell Veterinarian,1964
2. Nematode parasite populations in sheep on lowland farms—III. The seasonal incidence of species;Crofton;Parasitology,1957
3. Ecology and biological plasticity of sheep nematodes—II. Genetic environmental plasticity in Haemonchus contortus (Rud. 1803);Crofton;Cornell Veterinarian,1965
4. Rapid exsheathment of Nematospiroides dubius infective larvae;Cypress;Journal of Parasitology,1973
5. Subspeciation in Haemonchus contortus (Rudolphi, 1803), Nemata, Trichostrongyloidea;Das;Cornell Veterinarian,1960