Orrego, J., Cabanzo Hernández, R., & Mejía-Ospino, E. (2010). Structural study of colombian coal by fourier transform infrared spectroscopy coupled to attenuated total reflectance (FTIR-ATR). Revista Mexicana De Física, 56(3), 251–0. Retrieved from https://rmf.smf.mx/ojs/index.php/rmf/article/view/3757