@article{mamani_duarte_gusev_quivy_lamas_2006,  title={Magnetotransport in Al xGa x-1As quantum wells with different potential shapes},  volume={36},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332006000300027},  DOI={10.1590/S0103-97332006000300027},  number={2a},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Mamani, N. C. and Duarte, C. A. and Gusev, G. M. and Quivy, A. A. and Lamas, T. E.},  year={2006},  month={Jun},  pages={336–339} }