@article{weisz_2009,  title={Phenomenological Model for the metal-insulator transition in two dimensions},  volume={39},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332009000600017},  DOI={10.1590/S0103-97332009000600017},  number={4},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Weisz, J.F},  year={2009},  month={Dec},  pages={715–717} }