1. Categorical Data Analysis;Agresti,1990
2. Rank analysis of incomplete block designs;Bradley;Biometrika,1952
3. The Method of Paired Comparisons;David,1988
4. On extending the Bradley–Terry model to accommodate ties in paired comparison experiments;Davidson;J. Amer. Statist. Assoc.,1970
5. A bibliography on the method of paired comparisons;Davidson;Biometrics,1976