1. Office of Environmental Health Hazard Assessment (OEHHA). 1996. Technical Support Document for Exposure Assessment and Stochastic Analysis. Technical Review Draft, December. California Environmental Protection Agency, Berkeley, CA, Available on the web at www.calepa.cahwnet.gov/oehha
2. California Environmental Protection Agency. 1993. CALTOX – A Multimedia Total Exposure Model for Hazardous-Waste Sites Technical Reports. Part 1, Executive Summary, pp. 1–31, and Part 2, The Dynamic Multimedia Transport and Transformation Model, pp. 1–95. Draft Final, December. Office of Scientific Affairs, Department of Toxic Substances Control, Sacramento, California (Later versions available on the web – http://www.cwo.com/̃heroi/caltox.htm.)
3. A Graphical Technique for Determining the Number of Components in a Mixture of Normals
4. Human interindividual variability in susceptibility to toxic effects: from annoying detail to a central determinant of risk
5. National Research Council (NRC). 1994. Science and Judgment in Risk Assessment. National Academy Press, Washington, DC