Pérez-Bayer, J. F., Barrera-Zapata, R. and Salazar-Jiménez, C. A. (2016) “Effect of colombian coal rank and its feeding technology on substitute natural gas production by entrained gasification”, Revista Facultad de Ingeniería, 25(41), pp. 41–53. doi: 10.19053/01211129.4136.