@article{bastos-filho_figueiredo_martins-filho_chaves_segatto_cani_pontes_2011,  title={Design of distributed optical-fiber raman amplifiers using multi-objective particle swarm optimization},  volume={10},  ISSN={2179-1074},  url={https://doi.org/10.1590/S2179-10742011000200003},  DOI={10.1590/S2179-10742011000200003},  number={2},  journal={Journal of Microwaves, Optoelectronics and Electromagnetic Applications},  publisher={Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo},  author={Bastos-Filho, Carmelo J. A. and Figueiredo, Elliackin M. N. and Martins-Filho, Joaquim F. and Chaves, Daniel A. R. and Segatto, Marcelo E. V. and Cani, S. and Pontes, Maria J.},  year={2011},  month={Dec},  pages={323–336} }