@article{silva_costa_nunes_2018,  title={Preparation of Antireflective Silica Coating by the Sol-Gel Method for Heliothermic Power Plants},  volume={21},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2017-0970},  DOI={10.1590/1980-5373-MR-2017-0970},  number={3},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Silva, Débora Guimarães da and Costa, Vilma Conceição and Nunes, Rogério Antônio Xavier},  year={2018},  pages={e20170970} }