1. Bradley, R. A. and Terry,M.E. (1952), “Rank analysis of incomplete block designs. 1. The method of paired comparisons”, Biometrica, 39, pp. 324-345.
2. Colley, W. N. (2002), “Colley’s bias free college football ranking method: The Colley matrix explained”, http://www.colleyrankings.com/matrate.pdf, 2015/1/15.
3. David, H. A. and Wolock,F.W. (1965), “Cyclic designs”, The Annals of Mathematical Statistics, Vol. 36, No. 5, pp. 1526-1534.
4. David, H. A. (1963), “The structure of cyclic paired-comparison designs”, Journal of the Australian Mathematical Society, Vol.3, No.1, pp. 117-127.
5. Furuicni, S. and Hino, H. (2010), “About the mathematical analysis of FIFA World Cup in 2010”, RIMS seminar report collection, pp. 35-47 (In Japanese).