@article{article5e763acf,
title   = {Portable Multispectral Colorimeter for Metallic Ion Detection and Classification},
author = {Braga, Mauro Sergio and Jaimes, Ruth Flavia Vera Villamil and Borysow, Walter and Gomes, Osmar Francisco and Salcedo, Walter Jaimes},
year = {2017},
doi = {10.3390/s17081730},
journal   = {Sensors}
}