@article{articlede972eee,
title   = {A unified approach to estimation and prediction under simple random sampling},
author = {Stanek, Edward J and Singer, Júlio da Motta and Lencina, Viviana Beatriz},
year = {2004},
doi = {10.1016/s0378-3758(03)00114-9},
journal   = {Journal of Statistical Planning and Inference}
}