@article{reif-acherman_2011,  title={Studies on the temperature dependence of electric conductivity for metals in the Nineteenth Century: a neglected chapter in the history of superconductivity},  volume={33},  ISSN={1806-1117},  url={https://doi.org/10.1590/S1806-11172011000400020},  DOI={10.1590/S1806-11172011000400020},  number={4},  journal={Revista Brasileira de Ensino de Física},  publisher={Sociedade Brasileira de Física - SBF},  author={Reif-Acherman, Simón},  year={2011},  month={Oct},  pages={4602–4302} }