@article{leite_figueiredo_2006,  title={Thermodynamic properties of small magnetic particles},  volume={36},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332006000500013},  DOI={10.1590/S0103-97332006000500013},  number={3a},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Leite, Vanessa Souza and Figueiredo, Wagner},  year={2006},  month={Sep},  pages={652–656} }