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On the power function of the exact test for the rxc contingency table
Bennett, B. M., (1970)
Measures of association for cross classifications III. approximate sampling theory
Kruskal, William H., (1963)
Interactions in multi-factor contingency tables
Darroch, J. N., (1962)
A note on the maximum likelihood estimation of a linear structural relationship
Birch, M. W., (1964)