1. Acha, P. N., & Szyfres, B. (2001). Zoonoses and communicable diseases common to man and animals (Vol. 2). Washington, DC: Pan American Health Organization, 387 pp.
2. Achtman, M., Zurth, K., Morelli, G., Torrea, G., Guiyoule, A., & Carniel, E. (1999). Yersinia pestis, the cause of plague, is a recently emerged clone of Yersinia pseudotuberculosis. Proceedings of the National Academy of Science USA, 96, 14043–14048.
3. Acosta Muniz, C., Jaillard, D., Lemaitre, B., & Boccard, F. (2007). Erwinia carotovora Evf antagonizes the elimination of bacteria in the gut of Drosophila larvae. Cell Microbiology, 9, 106–119.
4. Adams, J. R., Schmidtmann, E. T., & Azad, A. F. (1990). Infection of colonized cat fleas, Ctenocephalides felis (Bouche), with a rickettsia-like microorganism. American Journal of Tropical Medicine and Hygiene, 43, 400–409.
5. Agrios, G. N. (2008). Transmission of plant diseases by insects. In Encyclopedia of entomology (pp. 3853–3885). Dordrecht: Springer.