1. An Optimum Allocation Algorithm for Multivariate Surveys;J Bethel;American Statistical Association Proceedings of the Surveys Research Methods Section,1985
2. Sample Allocation in Multivariate Surveys;J Bethel;Survey Methodology,1989
3. Empirical Comparison of Approaches to Forming Strata -Using Classification Trees to Adjust for Covariates;D A Bloch;Journal of the American Statistical Association,1989
4. Design Optimization With Multiple Objectives;J Chromy;American Statistical Association Proceedings of the Surveys Research Methods Section,1987