@article{oliveira_2004,  title={Evolution, ageing and speciation: Monte Carlo simulations of biological systems},  volume={34},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332004000600003},  DOI={10.1590/S0103-97332004000600003},  number={3b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Oliveira, S. Moss de},  year={2004},  month={Sep},  pages={1066–1076} }