1. IARC (1988): “Report of an IARC Working Group to Review the Approaches and Processes Used to Evaluate the Carcinogenicity of Mixtures and Groups of Chemicals.” IARC Internal Technical Report 88/002. Lyon: International Agency for Research on Cancer.
2. IARC (1989): “Chemicals, Groups of Chemicals, Mixtures and Exposure Circumstances to be Evaluated in Future IARC Monographs.” Report of an Ad Hoc Working Group, Lyon, April 4–7, 1989. IARC Internal Technical Report 89/004. Lyon: International Agency for Research on Cancer.
3. IARC (1991): “IARC Monographs on the Evaluation of Carcinogenic Risks to Humans.” Vol. 53: “Occupational Exposures in Insecticide Application, and Some Pesticides.” Lyon: International Agency for Research on Cancer (in press).
4. The IARC classification system: Input, internal logic, output, and impact