@inproceedings{inproceedings4e6a6f84,
title   = {Em- algorithm for finding the ml-predictor for finite populations in two-stage sampling},
author = {Bolfarine, Heleno and Elian, Silvia Nagib and Rodrigues, Josemar},
year = {1985},
publisher = {Sociedade Bernoulli},
booktitle   = {Congresso Latinoamericano de Probabilidad Y Estadistica Matematica}
}