@article{siqueira-batista_helayël-neto_2011,  title={The chance is necessary? The case of The Drunkard's Walk: How Randomness Rules Our Lives},  volume={33},  ISSN={1806-1117},  url={https://doi.org/10.1590/S1806-11172011000300022},  DOI={10.1590/S1806-11172011000300022},  number={3},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Siqueira-Batista, Rodrigo and Helayël-Neto, José Abdalla},  year={2011},  month={Jul},  pages={1–1} }