1. Hill EF, Camardese MB (1986) Lethal dietary toxicities to environmental contaminants and pesticides to coturnix. US Dept Interior. Fish and Wildlife Tech Report 2, Washington DC. 147 pp
2. Lawless JF (1982) Statistical models and methods for lifetime data. John Wiley, New York
3. Shirazi MA, Lowrie L (in press) An approach for integration of toxicological data. Tenth Symposium on Aquatic Toxicology and Hazard Assessment, New Orleans, LA, May 4?6, 1986
4. Weibull W (1951) Statistical distribution function of wide application. J Appl Mechanics 18:293?297