Rothman KJ, Boice, Jr JD. Epidemiologic analysis with a programmable calculator. With an Appendix for the HP-41CV by H. Austin ed. Boston: MA. Epidemiology Resources, Inc; 1982.
Rothman KJ. Causes and Risks. In: Clark MA, editors. Pulmonary disease. Defense mechanisms and populations at risk. Lexington: KY. Tobacco and Health Research Institute (THRI); 1977.