1. Achtman, M., Zurth, K., Morelli, G., Torrea, G., Guiyole, A., and Carniel, E. (1999). Yersinia pestis, the cause of plague, is a recently emerged clone of Yersinia pseudotuberculosis. Proc. Natl. Acad. Sci. U.S.A. 24:14043–14048.
2. Alibek, K. (1999). Biohazard. Random House, Inc., New York.
3. Alsofrom, D.J., Mettler, F.A., Jr., and Mann, J.M. (1981). Radiographic manifestations of plague in New Mexico, 1975–1980: a review of 42 proved cases. Radiology139:561–565.
4. American Society of Microbiology, Biological Weapons Resources Center. (2003). http://www.asmusa.org .
5. Annas, G.J. (2002). Bioterrorism, public health, and civil liberties. N. Engl. J. Med. 346:1337–1342.