1. The measurement and prediction of judgement and choice;Bock,1968
2. The method of paired comparisons;David,1963
3. Significance and adjustment in paired comparisons;Gridgeman;Biometrics,1963
4. Mathematical recreations;Kraitchik,1943
5. A computer program for paired comparisons (no ties);Petrasovits;Can. Inst. Food Technol. J,1969