1. Edgeworth corrected pivotal statistics and the bootstrap;Abramovitch;Annals of Statistics,1985
2. Simple and effective confidence intervals for proportions and differences of proportions result from adding two successes and two failures;Agresti;The American Statistician,2000
3. Approximate is better than “exact” for interval estimation of binomial proportions;Agresti;The American Statistician,1998
4. Normal Approximation and Asymptotic Expansions;Bhattacharya,1986
5. R.J. Boik, Supplement to accurate confidence intervals in regression analysis of non-normal data, Department of Mathematical Sciences, Montana State University, Bozeman, MT, 2006, July 13, http://www.math.montana.edu/~rjboik/.