Soma, Venugopal, and Balaji Yendeti. “Direct Fabrication of Sub 100 Nm Nanoneedles in Silver Using Femtosecond Laser Direct Writing”. Defence Science Journal 70, no. 2 (March 9, 2020): 197-200. Accessed April 20, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/14823.