@article{monteiro_cabeza_marti_2015,  title={Acceleration measurements using smartphone sensors: Dealing with the
                    equivalence principle},  volume={37},  ISSN={1806-1117},  url={https://doi.org/10.1590/S1806-11173711639},  DOI={10.1590/S1806-11173711639},  number={1},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Monteiro, Martín and Cabeza, Cecilia and Marti, Arturo C.},  year={2015},  month={Mar},  pages={1303} }