1. Rank analysis of incomplete block designs. I. The method paired comparisons;Bradley;Biometrika,1952
2. Solution of a ranking problem from binary comparisons;Ford,1957
3. Some empirical tests of the method of paired comparisons;Guilford;Journal of Genetic Psychology,1931
4. Psychometric methods;Guilford,1954
5. Methods of mathematical analysis and computation;Herriot,1963