BHATTACHARYYA, R. Indigenous Ion Sources for Material Processing. Defence Science Journal, [S. l.], v. 59, n. 4, p. 377–394, 2009. DOI: 10.14429/dsj.59.1537. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/1537. Acesso em: 16 jun. 2025.