1. Bell P.A.(2011).Conditional selection for business and household surveys. Methodology advisory committee paper Australian Bureau of Statistics.
2. Rate of convergence for asymptotic variance of the Horvitz–Thompson estimator
3. Bradburn N.(1978).Respondent burden.Proceedings of the Survey Research Methods Section of the American Statistical Association Volume 35 pp.35–40. Alexandria VA: American Statistical Association.
4. Selecting several samples from a single population;Brewer K.R.W.;Australian Journal of Statistics,1972