@article{sánchez_rodríguez_martínez_2008,  title={Charged higgs production at photon colliders in 2HDM-III},  volume={38},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332008000400025},  DOI={10.1590/S0103-97332008000400025},  number={3b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Sánchez, Susana and Rodríguez, J-Alexis and Martínez, Roberto},  year={2008},  month={Sep},  pages={507–510} }