@article{pires_brinatti_saab_2015,  title={Experimental Method to Determine Some Physical Properties in Physics Classes},  volume={39},  ISSN={0100-0683},  url={https://doi.org/10.1590/01000683rbcs20140766},  DOI={10.1590/01000683rbcs20140766},  number={5},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Pires, Luiz Fernando and Brinatti, André Maurício and Saab, Sérgio da Costa},  year={2015},  month={Sep},  pages={1507–1512} }