@article{carvalho_barbosa_2008,  title={Neural networks and statistical analysis for classification of corneal videokeratography maps based on Zernike coefficients: a quantitative comparison},  volume={71},  ISSN={0004-2749},  url={https://doi.org/10.1590/S0004-27492008000300006},  DOI={10.1590/S0004-27492008000300006},  number={3},  journal={Arquivos Brasileiros de Oftalmologia},  publisher={Conselho Brasileiro de Oftalmologia},  author={Carvalho, Luis Alberto Vieira de and Barbosa, Marconi Soares},  year={2008},  month={May},  pages={337–341} }