1. Atlas, R.M. 1984. Use of microbial diversity measurements to assess environmental stress. In: Current Perspectives in Microbial Ecology (Klug, M.J. and C.A. Reddy, eds.) pp. 540–545, American Society for Microbiology. Washington, DC.
2. Balkwill, D.L. 1990. Deep-aquifer microorganisms. In: Isolation of Biotechnological Organisms from Nature (Labeda, D.P., ed.) pp. 184–211, McGraw-Hill, New York, NY.
3. Bannerjee, S., S. Duttagupta and A.M. Chakrabarty. 1983. Production of emulsifying agent during growth ofPseudomonas cepacia with 2,4,5-trichlorophenoxyacetic acid. Arch. Microbiol. 135: 110–114.
4. Broderick, L.S. and J.J. Cooney. 1979. Emulsification of hydrocarbons by bacteria from freshwater ecosystems. Dev. Industr. Microbiol. 24: 425–434.
5. Cook, F.D. and D.W.S. Westlake. 1974. Microbiological degradation of northern crude oils. In: Environmental-Social Committee: Northern Pipelines, Task Force on Northern Oil Development. Information Canada, Report No. 74-1, Catalog No. R72-12774. Ottawa, Canada.