@article{nunes_costa_sade_araújo_silva_2018,  title={Selective Surfaces of Black Chromium for Use in Solar Absorbers},  volume={21},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2017-0556},  DOI={10.1590/1980-5373-MR-2017-0556},  number={1},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Nunes, Rogério Antônio Xavier and Costa, Vilma Conceição and Sade, Wagner and Araújo, Frederico Resende and Silva, Guilherme Marconi},  year={2018},  pages={e20170556} }