1. Andrews, P., J. M. Lord, and E. M. Nesbit-Evans. 1979. Patterns of ecological diversity in fossil and modern mammalian faunas.Biological Journal of the Linnean Society 11:177–205.
2. Bonnicksen, T. M., and R. G. Lee. 1982. Biosocial systems analysis: an approach for assessing the consequences of resource policies.Journal of Environmental Management 15:47–61.
3. Duncan, O. D. 1969. The ecosystem concept and the problem of air pollution. Pages 456–469in A. P. Vayda (ed.), Environment and cultural behavior. University of Texas Press, Austin, Texas.
4. El-Ahraf, A. 1981. The university's role in environmental education.Journal of Environmental Health 44:32–35.
5. El-Ahraf, A. 1985. An academic perspective on environmental health professional education.Journal of Environmental Health 47:232.