Because of the effect of inorganic impurities on the utilization of coal, it was decided to carry out a survey on the minerals present in production samples from different mines.
Reference:
Copeman, J. & Von Wolff, W. 1965. Investigation of minerals in coal, shales and magnetites by the X-Ray diffraction method. http://hdl.handle.net/10204/12942 .
Copeman, J., & Von Wolff, W. (1965). Investigation of minerals in coal, shales and magnetites by the X-Ray diffraction method Retrieved from http://hdl.handle.net/10204/12942
Copeman, JH, and WTE Von Wolff Investigation of minerals in coal, shales and magnetites by the X-Ray diffraction method. 1965. http://hdl.handle.net/10204/12942
Copeman J, Von Wolff W. Investigation of minerals in coal, shales and magnetites by the X-Ray diffraction method. 1965 [cited yyyy month dd]. Available from: http://hdl.handle.net/10204/12942