SINGH, SUKHPAL, ASHOK KUMAR, JARNAIL SINGH, KULWANT SINGH THIND, and GURMEL S. MUDAHAR. “Mass Attenuation Coefficients Studies in Some Flyash Materials”. Asian Journal of Chemistry 18, no. 5 (March 30, 2010): 3314–3316. Accessed October 3, 2024. https://asianpubs.org/index.php/ajchem/article/view/13849.