[1]
Lugo Martinez, W.A., Avila Rios, H.Y., Vanegas Chamorro, M.C., Albis Arrieta, A. and Ardila Barragán, M.A. 2019. Evaluation of demineralization of semi-anthracites from mines located in Boyacá and Santander (Colombia). INGE CUC. 15, 2 (Oct. 2019), 48–55. DOI:https://doi.org/10.17981/ingecuc.15.2.2019.05.