1. The minimum expectation in X2 goodness of fit tests and the accuracy of approximations for the null distribution;Yarnold;J. Am. Stat. Assoc.,1970
2. Heredity;Snyder;Collier's Encycl.,1970
3. “Discrete Multivariate Analysis: Theory and Practice.”;Bishop,1975
4. The x2 test of goodness of fit;Cochran;Ann. Math. Stat.,1952
5. Measures of association for cross-classifications. II. Further discussion and references;Goodman;J. Am. Stat. Assoc.,1959