@article{romero_sánchez_rodríguez-núñez_beck_2003,  title={Tc and deltao in a phenomenological ''pseudogap'' model},  volume={33},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332003000400023},  DOI={10.1590/S0103-97332003000400023},  number={4},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Romero, D. and Sánchez, L. and Rodríguez-Núñez, J. J. and Beck, H.},  year={2003},  month={Dec},  pages={750–753} }