1. Bertucci JJ, Sedita SJ, Lue-Hing C (1987) Viral aspects of applying sludges to land. In: Rao VC, Melnick JL (eds) Human viruses in sediments, sludges, and soils. CRC Press, Boca Raton
2. *Brady NC, Weil RR (2002) The nature and properties of soils. Prentice Hall, Upper Saddle River
3. Bartz, Jason and others (2000) Transmissible spongiform encephalopathies in the United States, Council for Agricultural Science and Technology Report no. 136, p 36
4. *Brown AD (1990) Microbial water stress physiology, principles and perspectives. Wiley, New York
5. Bryan RT, Pinner RW, Gaynes RP, Peters CJ, Aguilar JR, Berkelman RL (1994) Addressing emerging infectious disease threats: a prevention strategy for the United States executive summary. CDC MMWR RR-5(43):1–18