1. Franck, Frankie E., Objective Standards: Fingerprint Identifications vs. Handwriting Identifications. Presented at themeeting of the American Society of Questioned Document Examiners (Chicago, 1996).
2. Scientific Method, Statistical Inference, and the Law
3. Stangohr, Gordon R., Elusive and Indeterminate Results.Presented at themeeting of the American Society of the Questioned Document Society (Nashville, 1984).
4. Bergamini, David, Mathematics. Life Science Library (New York: Time Inc. 1963), p130.