@article{oliveira_leonel_2008,  title={The Feigenbaum's delta for a high dissipative bouncing ball model},  volume={38},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332008000100012},  DOI={10.1590/S0103-97332008000100012},  number={1},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Oliveira, Diego F. M. and Leonel, Edson D.},  year={2008},  month={Mar},  pages={62–64} }