Devia, D.M., Rodriguez-Restrepo, L.V. and Restrepo-Parra, E. 2015. Methods Employed in Optical Emission Spectroscopy Analysis: a review. Ingeniería y Ciencia. 11, 21 (Jan. 2015), 239–267. DOI:https://doi.org/10.17230/ingciencia.11.21.12.