Roy, Prasun, Arti Bhatt, and Chitra Rajagopal. “Quantitative Risk Assessment in Titanium Sponge Plant”. Defence Science Journal 54, no. 4 (October 1, 2004): 549-562. Accessed September 27, 2020. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/2068.