1. Andersen, E.B. (1973a). Conditional inference for multiple-choice questionnaires. British Journal of Mathematical and Statistical Psychology, 26, 31–44.
2. Andersen, E.B. (1973b). Conditional inference and models for measuring. Copenhagen: Mentalhygiejnisk Forlag.
3. Andersen, E.B. (1980). Discrete statistical models with social science applications. Amsterdam: North-Holland Publishing Company.
4. Barisch, S. (1989). Einstellung zur Epilepsie und Einstellungsänderung durch Information. [Attitudes towards epilepsy and attitude change via information.] Master’s thesis. Vienna: University of Vienna.
5. Bradley, R.A. (1984). Paired comparisons: Some basic procedures and examples. In P.R. Krishnaiah & P.K. Sen (Eds.), Handbook of statistics, Vol. 4 (pp. 299–326 ). New York: Elsevier Science Publishers.