1. Barton, D. E. (1958). The matching distributions: Poisson limiting forms and derived methods of approximation.Journal of the Royal Statistical Society (Series B),20, 73–92.
2. Cohen, J. (1960). A coefficient of agreement for nominal scales.Educational and Psychological Measurement, 20, 37–46.
3. David, F. N., & Barton, D. E. (1962).Combinatorial chance. London: Griffin.
4. Edgington, E. S. (1969).Statistical inference: The distribution-free approach. New York: McGraw-Hill.
5. Feller, W. (1968).An introduction to probability theory and its applications, Vol. 1 (3rd ed.). New York: Wiley.