@article{castro palacio_velázquez abad_crespo madera_monsoriu_2011,  title={
       },  volume={33},  ISSN={1806-1117},  url={https://doi.org/10.1590/S1806-11172011000300013},  DOI={10.1590/S1806-11172011000300013},  number={3},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Castro Palacio, Juan Carlos and Velázquez Abad, Luisberis and Crespo Madera, Elio and Monsoriu, Juan A.},  year={2011},  month={Jul},  pages={3313} }