Cardenes, Victor, Naba Raj Neupane, Lalu P. Paudel, Veerle Cnudde, and Jean Pierre Cnudde. “Technological Characterisation of Roofing Slate from Nepal”. Journal of Nepal Geological Society 50, no. 1 (December 21, 2016): 19–23. Accessed April 25, 2024. https://www.nepjol.info/index.php/JNGS/article/view/22849.