@article{indow_2003,  title={Examination of three systems of surface color by scaled color differences},  volume={66},  ISSN={0004-2749},  url={https://doi.org/10.1590/S0004-27492003000600003},  DOI={10.1590/S0004-27492003000600003},  number={5},  journal={Arquivos Brasileiros de Oftalmologia},  publisher={Conselho Brasileiro de Oftalmologia},  author={Indow, Tarow},  year={2003},  pages={16–25} }