Chaturvedi, Poornendu, Preeti Verma, Anand Singh, P. K. Chaudhary, Dr. Harsh, and P. K. Basu. “Carbon Nanotube–Purification and Sorting Protocols”. Defence Science Journal 58, no. 5 (September 1, 2008): 591–599. Accessed June 15, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/1694.