Chaminda Gallage, Golam Mostofa, David Vosolo, and Jay Rajapakse. “A NEW LABORATORY MODEL OF A SLAKING CHAMBER TO PREDICT THE STABILITY OF ON-SITE COAL MINE SPOILS”. GEOMATE Journal, vol. 10, no. 22, Feb. 2017, pp. 2065-70, https://geomatejournal.com/geomate/article/view/2006.