@article{guimarães_2014,  title={Uncertainty in population projections: the state of the art},  volume={31},  ISSN={0102-3098},  url={https://doi.org/10.1590/S0102-30982014000200003},  DOI={10.1590/S0102-30982014000200003},  number={2},  journal={Revista Brasileira de Estudos de População},  publisher={Associação Brasileira de Estudos Populacionais},  author={Guimarães, Raquel Rangel de Meireles},  year={2014},  month={Jul},  pages={277–290} }