A. V. S. . Satyanarayana, M. . Jagannadharao, K. C. . Mouli, and B. . Seetaramireddy, “Performance of PIXE Technique through a Geochemical Analysis of High Grade Rocks”, J. Nucl. Phy. Mat. Sci. Rad. A., vol. 7, no. 1, pp. 13–28, Jan. 2020.