1. Babes, V. (1888). Comptes rendus hebdomadiares des seances de l'Academie des sciences,107, 692–698 (Todorovicet al (1973).Tropical Animal Health and Production,5, 234–245.
2. Buening, G. M. (1973). Proceedings of the 6th National Anaplasmosis Conference, Las Vegas, Nevada, March, 71–77.
3. Dennig, H. K. (1964). Serological investigation concerningBabesia equi. First International Congress of Parasitology, Rome, September.
4. Dennig, H. K. &Brocklesby D. W. (1965).Veterinary Record,77, 40–44.
5. Frerichs, W., Holbrook, A. A. &Johnson, A. J. (1969).American Journal of Veterinary Research,33, 697–702.