Mukhopadhyay, Kingsuk, Kanik Ram, and K.U. Bhasker Rao. “Carbon Nanotubes and Related Structures”. Defence Science Journal 58, no. 4 (July 1, 2008): 437–450. Accessed July 12, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/1666.