KALE, R. Low-current Scanning Tunneling Microscope for Nanoscale Imaging. Defence Science Journal, [S. l.], v. 56, n. 4, p. 599–613, 2006. DOI: 10.14429/dsj.56.1926. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/1926. Acesso em: 7 jul. 2025.