@article{luz_santos_machado_ferreira_2002,  title={Diamagnetism and structural transition in the Ba2Cu3O4Cl2 compound},  volume={32},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332002000400012},  DOI={10.1590/S0103-97332002000400012},  number={3},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Luz, M. S. da and Santos, C. A. M. dos and Machado, A. J. S. and Ferreira, B.},  year={2002},  month={Sep},  pages={744–747} }