References
- Midzuno , H. 1950 . “An outline of the theory of sampling systems,” . Annals of the Institute of Statistical Mathematics (Tokyo) , 1 : 149 – 56 .
- Nettheim , N. F. unpublished communication
- Sen , A. R. 1955 . “On the estimate of the variance in sampling with varying probabilities,” . Journal of the Indian Society of Agricultural Statistics , 5 : 119 – 27 .
- Yates , F. and Grundy , P. M. 1953 . “Selection without replacement from within strata with probability proportionate to size,” . Journal of the Royal Statistical Society Series B , 15 : 253 – 61 .